| Step |
Hyp |
Ref |
Expression |
| 1 |
|
poimir.0 |
|- ( ph -> N e. NN ) |
| 2 |
|
poimirlem4.1 |
|- ( ph -> K e. NN ) |
| 3 |
|
poimirlem4.2 |
|- ( ph -> M e. NN0 ) |
| 4 |
|
poimirlem4.3 |
|- ( ph -> M < N ) |
| 5 |
|
poimirlem3.4 |
|- ( ph -> T : ( 1 ... M ) --> ( 0 ..^ K ) ) |
| 6 |
|
poimirlem3.5 |
|- ( ph -> U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) ) |
| 7 |
|
ovexd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( 1 ... M ) e. _V ) |
| 8 |
5
|
ffnd |
|- ( ph -> T Fn ( 1 ... M ) ) |
| 9 |
8
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> T Fn ( 1 ... M ) ) |
| 10 |
|
1ex |
|- 1 e. _V |
| 11 |
|
fnconstg |
|- ( 1 e. _V -> ( ( U " ( 1 ... j ) ) X. { 1 } ) Fn ( U " ( 1 ... j ) ) ) |
| 12 |
10 11
|
ax-mp |
|- ( ( U " ( 1 ... j ) ) X. { 1 } ) Fn ( U " ( 1 ... j ) ) |
| 13 |
|
c0ex |
|- 0 e. _V |
| 14 |
|
fnconstg |
|- ( 0 e. _V -> ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) Fn ( U " ( ( j + 1 ) ... M ) ) ) |
| 15 |
13 14
|
ax-mp |
|- ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) Fn ( U " ( ( j + 1 ) ... M ) ) |
| 16 |
12 15
|
pm3.2i |
|- ( ( ( U " ( 1 ... j ) ) X. { 1 } ) Fn ( U " ( 1 ... j ) ) /\ ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) Fn ( U " ( ( j + 1 ) ... M ) ) ) |
| 17 |
|
dff1o3 |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) <-> ( U : ( 1 ... M ) -onto-> ( 1 ... M ) /\ Fun `' U ) ) |
| 18 |
17
|
simprbi |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) -> Fun `' U ) |
| 19 |
|
imain |
|- ( Fun `' U -> ( U " ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) ) = ( ( U " ( 1 ... j ) ) i^i ( U " ( ( j + 1 ) ... M ) ) ) ) |
| 20 |
6 18 19
|
3syl |
|- ( ph -> ( U " ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) ) = ( ( U " ( 1 ... j ) ) i^i ( U " ( ( j + 1 ) ... M ) ) ) ) |
| 21 |
|
elfznn0 |
|- ( j e. ( 0 ... M ) -> j e. NN0 ) |
| 22 |
21
|
nn0red |
|- ( j e. ( 0 ... M ) -> j e. RR ) |
| 23 |
22
|
ltp1d |
|- ( j e. ( 0 ... M ) -> j < ( j + 1 ) ) |
| 24 |
|
fzdisj |
|- ( j < ( j + 1 ) -> ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) = (/) ) |
| 25 |
23 24
|
syl |
|- ( j e. ( 0 ... M ) -> ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) = (/) ) |
| 26 |
25
|
imaeq2d |
|- ( j e. ( 0 ... M ) -> ( U " ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) ) = ( U " (/) ) ) |
| 27 |
|
ima0 |
|- ( U " (/) ) = (/) |
| 28 |
26 27
|
eqtrdi |
|- ( j e. ( 0 ... M ) -> ( U " ( ( 1 ... j ) i^i ( ( j + 1 ) ... M ) ) ) = (/) ) |
| 29 |
20 28
|
sylan9req |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( U " ( 1 ... j ) ) i^i ( U " ( ( j + 1 ) ... M ) ) ) = (/) ) |
| 30 |
|
fnun |
|- ( ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) Fn ( U " ( 1 ... j ) ) /\ ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) Fn ( U " ( ( j + 1 ) ... M ) ) ) /\ ( ( U " ( 1 ... j ) ) i^i ( U " ( ( j + 1 ) ... M ) ) ) = (/) ) -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) Fn ( ( U " ( 1 ... j ) ) u. ( U " ( ( j + 1 ) ... M ) ) ) ) |
| 31 |
16 29 30
|
sylancr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) Fn ( ( U " ( 1 ... j ) ) u. ( U " ( ( j + 1 ) ... M ) ) ) ) |
| 32 |
|
imaundi |
|- ( U " ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) = ( ( U " ( 1 ... j ) ) u. ( U " ( ( j + 1 ) ... M ) ) ) |
| 33 |
|
nn0p1nn |
|- ( j e. NN0 -> ( j + 1 ) e. NN ) |
| 34 |
|
nnuz |
|- NN = ( ZZ>= ` 1 ) |
| 35 |
33 34
|
eleqtrdi |
|- ( j e. NN0 -> ( j + 1 ) e. ( ZZ>= ` 1 ) ) |
| 36 |
21 35
|
syl |
|- ( j e. ( 0 ... M ) -> ( j + 1 ) e. ( ZZ>= ` 1 ) ) |
| 37 |
|
elfzuz3 |
|- ( j e. ( 0 ... M ) -> M e. ( ZZ>= ` j ) ) |
| 38 |
|
fzsplit2 |
|- ( ( ( j + 1 ) e. ( ZZ>= ` 1 ) /\ M e. ( ZZ>= ` j ) ) -> ( 1 ... M ) = ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) |
| 39 |
36 37 38
|
syl2anc |
|- ( j e. ( 0 ... M ) -> ( 1 ... M ) = ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) |
| 40 |
39
|
eqcomd |
|- ( j e. ( 0 ... M ) -> ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) = ( 1 ... M ) ) |
| 41 |
40
|
imaeq2d |
|- ( j e. ( 0 ... M ) -> ( U " ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) = ( U " ( 1 ... M ) ) ) |
| 42 |
|
f1ofo |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) -> U : ( 1 ... M ) -onto-> ( 1 ... M ) ) |
| 43 |
|
foima |
|- ( U : ( 1 ... M ) -onto-> ( 1 ... M ) -> ( U " ( 1 ... M ) ) = ( 1 ... M ) ) |
| 44 |
6 42 43
|
3syl |
|- ( ph -> ( U " ( 1 ... M ) ) = ( 1 ... M ) ) |
| 45 |
41 44
|
sylan9eqr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( U " ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) = ( 1 ... M ) ) |
| 46 |
32 45
|
eqtr3id |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( U " ( 1 ... j ) ) u. ( U " ( ( j + 1 ) ... M ) ) ) = ( 1 ... M ) ) |
| 47 |
46
|
fneq2d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) Fn ( ( U " ( 1 ... j ) ) u. ( U " ( ( j + 1 ) ... M ) ) ) <-> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) Fn ( 1 ... M ) ) ) |
| 48 |
31 47
|
mpbid |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) Fn ( 1 ... M ) ) |
| 49 |
7 9 48
|
offvalfv |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) = ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) ) |
| 50 |
|
nn0p1nn |
|- ( M e. NN0 -> ( M + 1 ) e. NN ) |
| 51 |
3 50
|
syl |
|- ( ph -> ( M + 1 ) e. NN ) |
| 52 |
51
|
nnzd |
|- ( ph -> ( M + 1 ) e. ZZ ) |
| 53 |
|
uzid |
|- ( ( M + 1 ) e. ZZ -> ( M + 1 ) e. ( ZZ>= ` ( M + 1 ) ) ) |
| 54 |
|
peano2uz |
|- ( ( M + 1 ) e. ( ZZ>= ` ( M + 1 ) ) -> ( ( M + 1 ) + 1 ) e. ( ZZ>= ` ( M + 1 ) ) ) |
| 55 |
52 53 54
|
3syl |
|- ( ph -> ( ( M + 1 ) + 1 ) e. ( ZZ>= ` ( M + 1 ) ) ) |
| 56 |
3
|
nn0zd |
|- ( ph -> M e. ZZ ) |
| 57 |
1
|
nnzd |
|- ( ph -> N e. ZZ ) |
| 58 |
|
zltp1le |
|- ( ( M e. ZZ /\ N e. ZZ ) -> ( M < N <-> ( M + 1 ) <_ N ) ) |
| 59 |
|
peano2z |
|- ( M e. ZZ -> ( M + 1 ) e. ZZ ) |
| 60 |
|
eluz |
|- ( ( ( M + 1 ) e. ZZ /\ N e. ZZ ) -> ( N e. ( ZZ>= ` ( M + 1 ) ) <-> ( M + 1 ) <_ N ) ) |
| 61 |
59 60
|
sylan |
|- ( ( M e. ZZ /\ N e. ZZ ) -> ( N e. ( ZZ>= ` ( M + 1 ) ) <-> ( M + 1 ) <_ N ) ) |
| 62 |
58 61
|
bitr4d |
|- ( ( M e. ZZ /\ N e. ZZ ) -> ( M < N <-> N e. ( ZZ>= ` ( M + 1 ) ) ) ) |
| 63 |
56 57 62
|
syl2anc |
|- ( ph -> ( M < N <-> N e. ( ZZ>= ` ( M + 1 ) ) ) ) |
| 64 |
4 63
|
mpbid |
|- ( ph -> N e. ( ZZ>= ` ( M + 1 ) ) ) |
| 65 |
|
fzsplit2 |
|- ( ( ( ( M + 1 ) + 1 ) e. ( ZZ>= ` ( M + 1 ) ) /\ N e. ( ZZ>= ` ( M + 1 ) ) ) -> ( ( M + 1 ) ... N ) = ( ( ( M + 1 ) ... ( M + 1 ) ) u. ( ( ( M + 1 ) + 1 ) ... N ) ) ) |
| 66 |
55 64 65
|
syl2anc |
|- ( ph -> ( ( M + 1 ) ... N ) = ( ( ( M + 1 ) ... ( M + 1 ) ) u. ( ( ( M + 1 ) + 1 ) ... N ) ) ) |
| 67 |
|
fzsn |
|- ( ( M + 1 ) e. ZZ -> ( ( M + 1 ) ... ( M + 1 ) ) = { ( M + 1 ) } ) |
| 68 |
52 67
|
syl |
|- ( ph -> ( ( M + 1 ) ... ( M + 1 ) ) = { ( M + 1 ) } ) |
| 69 |
68
|
uneq1d |
|- ( ph -> ( ( ( M + 1 ) ... ( M + 1 ) ) u. ( ( ( M + 1 ) + 1 ) ... N ) ) = ( { ( M + 1 ) } u. ( ( ( M + 1 ) + 1 ) ... N ) ) ) |
| 70 |
66 69
|
eqtrd |
|- ( ph -> ( ( M + 1 ) ... N ) = ( { ( M + 1 ) } u. ( ( ( M + 1 ) + 1 ) ... N ) ) ) |
| 71 |
70
|
xpeq1d |
|- ( ph -> ( ( ( M + 1 ) ... N ) X. { 0 } ) = ( ( { ( M + 1 ) } u. ( ( ( M + 1 ) + 1 ) ... N ) ) X. { 0 } ) ) |
| 72 |
|
xpundir |
|- ( ( { ( M + 1 ) } u. ( ( ( M + 1 ) + 1 ) ... N ) ) X. { 0 } ) = ( ( { ( M + 1 ) } X. { 0 } ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) |
| 73 |
|
ovex |
|- ( M + 1 ) e. _V |
| 74 |
73 13
|
xpsn |
|- ( { ( M + 1 ) } X. { 0 } ) = { <. ( M + 1 ) , 0 >. } |
| 75 |
74
|
uneq1i |
|- ( ( { ( M + 1 ) } X. { 0 } ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) = ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) |
| 76 |
72 75
|
eqtri |
|- ( ( { ( M + 1 ) } u. ( ( ( M + 1 ) + 1 ) ... N ) ) X. { 0 } ) = ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) |
| 77 |
71 76
|
eqtrdi |
|- ( ph -> ( ( ( M + 1 ) ... N ) X. { 0 } ) = ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 78 |
77
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( M + 1 ) ... N ) X. { 0 } ) = ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 79 |
49 78
|
uneq12d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) = ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) ) |
| 80 |
|
unass |
|- ( ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) = ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. ( { <. ( M + 1 ) , 0 >. } u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 81 |
79 80
|
eqtr4di |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) = ( ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 82 |
|
ovexd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( 1 ... ( M + 1 ) ) e. _V ) |
| 83 |
3
|
nn0red |
|- ( ph -> M e. RR ) |
| 84 |
83
|
ltp1d |
|- ( ph -> M < ( M + 1 ) ) |
| 85 |
51
|
nnred |
|- ( ph -> ( M + 1 ) e. RR ) |
| 86 |
83 85
|
ltnled |
|- ( ph -> ( M < ( M + 1 ) <-> -. ( M + 1 ) <_ M ) ) |
| 87 |
84 86
|
mpbid |
|- ( ph -> -. ( M + 1 ) <_ M ) |
| 88 |
|
elfzle2 |
|- ( ( M + 1 ) e. ( 1 ... M ) -> ( M + 1 ) <_ M ) |
| 89 |
87 88
|
nsyl |
|- ( ph -> -. ( M + 1 ) e. ( 1 ... M ) ) |
| 90 |
|
disjsn |
|- ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) <-> -. ( M + 1 ) e. ( 1 ... M ) ) |
| 91 |
89 90
|
sylibr |
|- ( ph -> ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) |
| 92 |
|
eqid |
|- { <. ( M + 1 ) , 0 >. } = { <. ( M + 1 ) , 0 >. } |
| 93 |
73 13
|
fsn |
|- ( { <. ( M + 1 ) , 0 >. } : { ( M + 1 ) } --> { 0 } <-> { <. ( M + 1 ) , 0 >. } = { <. ( M + 1 ) , 0 >. } ) |
| 94 |
92 93
|
mpbir |
|- { <. ( M + 1 ) , 0 >. } : { ( M + 1 ) } --> { 0 } |
| 95 |
|
fun |
|- ( ( ( T : ( 1 ... M ) --> ( 0 ..^ K ) /\ { <. ( M + 1 ) , 0 >. } : { ( M + 1 ) } --> { 0 } ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) --> ( ( 0 ..^ K ) u. { 0 } ) ) |
| 96 |
94 95
|
mpanl2 |
|- ( ( T : ( 1 ... M ) --> ( 0 ..^ K ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) --> ( ( 0 ..^ K ) u. { 0 } ) ) |
| 97 |
5 91 96
|
syl2anc |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) --> ( ( 0 ..^ K ) u. { 0 } ) ) |
| 98 |
|
1z |
|- 1 e. ZZ |
| 99 |
|
nn0uz |
|- NN0 = ( ZZ>= ` 0 ) |
| 100 |
|
1m1e0 |
|- ( 1 - 1 ) = 0 |
| 101 |
100
|
fveq2i |
|- ( ZZ>= ` ( 1 - 1 ) ) = ( ZZ>= ` 0 ) |
| 102 |
99 101
|
eqtr4i |
|- NN0 = ( ZZ>= ` ( 1 - 1 ) ) |
| 103 |
3 102
|
eleqtrdi |
|- ( ph -> M e. ( ZZ>= ` ( 1 - 1 ) ) ) |
| 104 |
|
fzsuc2 |
|- ( ( 1 e. ZZ /\ M e. ( ZZ>= ` ( 1 - 1 ) ) ) -> ( 1 ... ( M + 1 ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 105 |
98 103 104
|
sylancr |
|- ( ph -> ( 1 ... ( M + 1 ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 106 |
105
|
eqcomd |
|- ( ph -> ( ( 1 ... M ) u. { ( M + 1 ) } ) = ( 1 ... ( M + 1 ) ) ) |
| 107 |
|
lbfzo0 |
|- ( 0 e. ( 0 ..^ K ) <-> K e. NN ) |
| 108 |
2 107
|
sylibr |
|- ( ph -> 0 e. ( 0 ..^ K ) ) |
| 109 |
108
|
snssd |
|- ( ph -> { 0 } C_ ( 0 ..^ K ) ) |
| 110 |
|
ssequn2 |
|- ( { 0 } C_ ( 0 ..^ K ) <-> ( ( 0 ..^ K ) u. { 0 } ) = ( 0 ..^ K ) ) |
| 111 |
109 110
|
sylib |
|- ( ph -> ( ( 0 ..^ K ) u. { 0 } ) = ( 0 ..^ K ) ) |
| 112 |
106 111
|
feq23d |
|- ( ph -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) --> ( ( 0 ..^ K ) u. { 0 } ) <-> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( 1 ... ( M + 1 ) ) --> ( 0 ..^ K ) ) ) |
| 113 |
97 112
|
mpbid |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( 1 ... ( M + 1 ) ) --> ( 0 ..^ K ) ) |
| 114 |
113
|
ffnd |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) Fn ( 1 ... ( M + 1 ) ) ) |
| 115 |
114
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( T u. { <. ( M + 1 ) , 0 >. } ) Fn ( 1 ... ( M + 1 ) ) ) |
| 116 |
|
fnconstg |
|- ( 1 e. _V -> ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) ) |
| 117 |
10 116
|
ax-mp |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) |
| 118 |
|
fnconstg |
|- ( 0 e. _V -> ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 119 |
13 118
|
ax-mp |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 120 |
117 119
|
pm3.2i |
|- ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) /\ ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 121 |
73 73
|
f1osn |
|- { <. ( M + 1 ) , ( M + 1 ) >. } : { ( M + 1 ) } -1-1-onto-> { ( M + 1 ) } |
| 122 |
|
f1oun |
|- ( ( ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) /\ { <. ( M + 1 ) , ( M + 1 ) >. } : { ( M + 1 ) } -1-1-onto-> { ( M + 1 ) } ) /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) ) -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 123 |
121 122
|
mpanl2 |
|- ( ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) ) -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 124 |
6 91 91 123
|
syl12anc |
|- ( ph -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 125 |
|
dff1o3 |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) <-> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) /\ Fun `' ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ) ) |
| 126 |
125
|
simprbi |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) -> Fun `' ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ) |
| 127 |
|
imain |
|- ( Fun `' ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) ) = ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 128 |
124 126 127
|
3syl |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) ) = ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 129 |
|
fzdisj |
|- ( j < ( j + 1 ) -> ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) = (/) ) |
| 130 |
23 129
|
syl |
|- ( j e. ( 0 ... M ) -> ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) = (/) ) |
| 131 |
130
|
imaeq2d |
|- ( j e. ( 0 ... M ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) ) = ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " (/) ) ) |
| 132 |
|
ima0 |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " (/) ) = (/) |
| 133 |
131 132
|
eqtrdi |
|- ( j e. ( 0 ... M ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) ) = (/) ) |
| 134 |
128 133
|
sylan9req |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) = (/) ) |
| 135 |
|
fnun |
|- ( ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) /\ ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) /\ ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) = (/) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) Fn ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) u. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 136 |
120 134 135
|
sylancr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) Fn ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) u. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 137 |
|
f1ofo |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 138 |
|
foima |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... M ) u. { ( M + 1 ) } ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 139 |
124 137 138
|
3syl |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... M ) u. { ( M + 1 ) } ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) ) |
| 140 |
105
|
imaeq2d |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... ( M + 1 ) ) ) = ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... M ) u. { ( M + 1 ) } ) ) ) |
| 141 |
139 140 105
|
3eqtr4d |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... ( M + 1 ) ) ) = ( 1 ... ( M + 1 ) ) ) |
| 142 |
|
peano2uz |
|- ( M e. ( ZZ>= ` j ) -> ( M + 1 ) e. ( ZZ>= ` j ) ) |
| 143 |
37 142
|
syl |
|- ( j e. ( 0 ... M ) -> ( M + 1 ) e. ( ZZ>= ` j ) ) |
| 144 |
|
fzsplit2 |
|- ( ( ( j + 1 ) e. ( ZZ>= ` 1 ) /\ ( M + 1 ) e. ( ZZ>= ` j ) ) -> ( 1 ... ( M + 1 ) ) = ( ( 1 ... j ) u. ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 145 |
36 143 144
|
syl2anc |
|- ( j e. ( 0 ... M ) -> ( 1 ... ( M + 1 ) ) = ( ( 1 ... j ) u. ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 146 |
145
|
imaeq2d |
|- ( j e. ( 0 ... M ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... ( M + 1 ) ) ) = ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) u. ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 147 |
141 146
|
sylan9req |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( 1 ... ( M + 1 ) ) = ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) u. ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 148 |
|
imaundi |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( 1 ... j ) u. ( ( j + 1 ) ... ( M + 1 ) ) ) ) = ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) u. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 149 |
147 148
|
eqtrdi |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( 1 ... ( M + 1 ) ) = ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) u. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 150 |
149
|
fneq2d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) Fn ( 1 ... ( M + 1 ) ) <-> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) Fn ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) u. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) ) |
| 151 |
136 150
|
mpbird |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) Fn ( 1 ... ( M + 1 ) ) ) |
| 152 |
82 115 151
|
offvalfv |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) = ( n e. ( 1 ... ( M + 1 ) ) |-> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) ) ) |
| 153 |
|
imadmrn |
|- ( ( { ( M + 1 ) } X. { ( M + 1 ) } ) " dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) ) = ran ( { ( M + 1 ) } X. { ( M + 1 ) } ) |
| 154 |
73 73
|
xpsn |
|- ( { ( M + 1 ) } X. { ( M + 1 ) } ) = { <. ( M + 1 ) , ( M + 1 ) >. } |
| 155 |
154
|
imaeq1i |
|- ( ( { ( M + 1 ) } X. { ( M + 1 ) } ) " dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } " dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) ) |
| 156 |
|
dmxpid |
|- dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) = { ( M + 1 ) } |
| 157 |
156
|
imaeq2i |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } " dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } " { ( M + 1 ) } ) |
| 158 |
155 157
|
eqtri |
|- ( ( { ( M + 1 ) } X. { ( M + 1 ) } ) " dom ( { ( M + 1 ) } X. { ( M + 1 ) } ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } " { ( M + 1 ) } ) |
| 159 |
|
rnxpid |
|- ran ( { ( M + 1 ) } X. { ( M + 1 ) } ) = { ( M + 1 ) } |
| 160 |
153 158 159
|
3eqtr3ri |
|- { ( M + 1 ) } = ( { <. ( M + 1 ) , ( M + 1 ) >. } " { ( M + 1 ) } ) |
| 161 |
|
eluzp1p1 |
|- ( M e. ( ZZ>= ` j ) -> ( M + 1 ) e. ( ZZ>= ` ( j + 1 ) ) ) |
| 162 |
|
eluzfz2 |
|- ( ( M + 1 ) e. ( ZZ>= ` ( j + 1 ) ) -> ( M + 1 ) e. ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 163 |
37 161 162
|
3syl |
|- ( j e. ( 0 ... M ) -> ( M + 1 ) e. ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 164 |
163
|
snssd |
|- ( j e. ( 0 ... M ) -> { ( M + 1 ) } C_ ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 165 |
|
imass2 |
|- ( { ( M + 1 ) } C_ ( ( j + 1 ) ... ( M + 1 ) ) -> ( { <. ( M + 1 ) , ( M + 1 ) >. } " { ( M + 1 ) } ) C_ ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 166 |
164 165
|
syl |
|- ( j e. ( 0 ... M ) -> ( { <. ( M + 1 ) , ( M + 1 ) >. } " { ( M + 1 ) } ) C_ ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 167 |
160 166
|
eqsstrid |
|- ( j e. ( 0 ... M ) -> { ( M + 1 ) } C_ ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 168 |
73
|
snid |
|- ( M + 1 ) e. { ( M + 1 ) } |
| 169 |
|
ssel |
|- ( { ( M + 1 ) } C_ ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) -> ( ( M + 1 ) e. { ( M + 1 ) } -> ( M + 1 ) e. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 170 |
167 168 169
|
mpisyl |
|- ( j e. ( 0 ... M ) -> ( M + 1 ) e. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 171 |
|
elun2 |
|- ( ( M + 1 ) e. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) -> ( M + 1 ) e. ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 172 |
170 171
|
syl |
|- ( j e. ( 0 ... M ) -> ( M + 1 ) e. ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) |
| 173 |
|
imaundir |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) = ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 174 |
172 173
|
eleqtrrdi |
|- ( j e. ( 0 ... M ) -> ( M + 1 ) e. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 175 |
174
|
adantl |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( M + 1 ) e. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 176 |
13
|
a1i |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> 0 e. _V ) |
| 177 |
106
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( 1 ... M ) u. { ( M + 1 ) } ) = ( 1 ... ( M + 1 ) ) ) |
| 178 |
|
fveq2 |
|- ( n = ( M + 1 ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) ) |
| 179 |
73 13
|
fnsn |
|- { <. ( M + 1 ) , 0 >. } Fn { ( M + 1 ) } |
| 180 |
|
fvun2 |
|- ( ( T Fn ( 1 ... M ) /\ { <. ( M + 1 ) , 0 >. } Fn { ( M + 1 ) } /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( M + 1 ) e. { ( M + 1 ) } ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , 0 >. } ` ( M + 1 ) ) ) |
| 181 |
179 180
|
mp3an2 |
|- ( ( T Fn ( 1 ... M ) /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( M + 1 ) e. { ( M + 1 ) } ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , 0 >. } ` ( M + 1 ) ) ) |
| 182 |
168 181
|
mpanr2 |
|- ( ( T Fn ( 1 ... M ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , 0 >. } ` ( M + 1 ) ) ) |
| 183 |
8 91 182
|
syl2anc |
|- ( ph -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , 0 >. } ` ( M + 1 ) ) ) |
| 184 |
73 13
|
fvsn |
|- ( { <. ( M + 1 ) , 0 >. } ` ( M + 1 ) ) = 0 |
| 185 |
183 184
|
eqtrdi |
|- ( ph -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 ) |
| 186 |
178 185
|
sylan9eqr |
|- ( ( ph /\ n = ( M + 1 ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = 0 ) |
| 187 |
186
|
adantlr |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n = ( M + 1 ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = 0 ) |
| 188 |
|
fveq2 |
|- ( n = ( M + 1 ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) = ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` ( M + 1 ) ) ) |
| 189 |
|
fvun2 |
|- ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) /\ ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) /\ ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) = (/) /\ ( M + 1 ) e. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` ( M + 1 ) ) = ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) ) |
| 190 |
117 119 189
|
mp3an12 |
|- ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) i^i ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) = (/) /\ ( M + 1 ) e. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` ( M + 1 ) ) = ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) ) |
| 191 |
134 175 190
|
syl2anc |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` ( M + 1 ) ) = ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) ) |
| 192 |
13
|
fvconst2 |
|- ( ( M + 1 ) e. ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) = 0 ) |
| 193 |
174 192
|
syl |
|- ( j e. ( 0 ... M ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) = 0 ) |
| 194 |
193
|
adantl |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ` ( M + 1 ) ) = 0 ) |
| 195 |
191 194
|
eqtrd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` ( M + 1 ) ) = 0 ) |
| 196 |
188 195
|
sylan9eqr |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n = ( M + 1 ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) = 0 ) |
| 197 |
187 196
|
oveq12d |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n = ( M + 1 ) ) -> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) = ( 0 + 0 ) ) |
| 198 |
|
00id |
|- ( 0 + 0 ) = 0 |
| 199 |
197 198
|
eqtrdi |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n = ( M + 1 ) ) -> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) = 0 ) |
| 200 |
175 176 177 199
|
fmptapd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( n e. ( 1 ... M ) |-> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) = ( n e. ( 1 ... ( M + 1 ) ) |-> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) ) ) |
| 201 |
8 91
|
jca |
|- ( ph -> ( T Fn ( 1 ... M ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) ) |
| 202 |
|
fvun1 |
|- ( ( T Fn ( 1 ... M ) /\ { <. ( M + 1 ) , 0 >. } Fn { ( M + 1 ) } /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ n e. ( 1 ... M ) ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( T ` n ) ) |
| 203 |
179 202
|
mp3an2 |
|- ( ( T Fn ( 1 ... M ) /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ n e. ( 1 ... M ) ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( T ` n ) ) |
| 204 |
203
|
anassrs |
|- ( ( ( T Fn ( 1 ... M ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) /\ n e. ( 1 ... M ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( T ` n ) ) |
| 205 |
201 204
|
sylan |
|- ( ( ph /\ n e. ( 1 ... M ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( T ` n ) ) |
| 206 |
205
|
adantlr |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n e. ( 1 ... M ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) = ( T ` n ) ) |
| 207 |
|
fvres |
|- ( n e. ( 1 ... M ) -> ( ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) ` n ) = ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) |
| 208 |
207
|
eqcomd |
|- ( n e. ( 1 ... M ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) = ( ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) ` n ) ) |
| 209 |
|
resundir |
|- ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) = ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) u. ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) ) |
| 210 |
|
relxp |
|- Rel ( ( U " ( 1 ... j ) ) X. { 1 } ) |
| 211 |
|
dmxpss |
|- dom ( ( U " ( 1 ... j ) ) X. { 1 } ) C_ ( U " ( 1 ... j ) ) |
| 212 |
|
imassrn |
|- ( U " ( 1 ... j ) ) C_ ran U |
| 213 |
211 212
|
sstri |
|- dom ( ( U " ( 1 ... j ) ) X. { 1 } ) C_ ran U |
| 214 |
|
f1of |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) -> U : ( 1 ... M ) --> ( 1 ... M ) ) |
| 215 |
|
frn |
|- ( U : ( 1 ... M ) --> ( 1 ... M ) -> ran U C_ ( 1 ... M ) ) |
| 216 |
6 214 215
|
3syl |
|- ( ph -> ran U C_ ( 1 ... M ) ) |
| 217 |
213 216
|
sstrid |
|- ( ph -> dom ( ( U " ( 1 ... j ) ) X. { 1 } ) C_ ( 1 ... M ) ) |
| 218 |
|
relssres |
|- ( ( Rel ( ( U " ( 1 ... j ) ) X. { 1 } ) /\ dom ( ( U " ( 1 ... j ) ) X. { 1 } ) C_ ( 1 ... M ) ) -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = ( ( U " ( 1 ... j ) ) X. { 1 } ) ) |
| 219 |
210 217 218
|
sylancr |
|- ( ph -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = ( ( U " ( 1 ... j ) ) X. { 1 } ) ) |
| 220 |
219
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = ( ( U " ( 1 ... j ) ) X. { 1 } ) ) |
| 221 |
|
imassrn |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) C_ ran { <. ( M + 1 ) , ( M + 1 ) >. } |
| 222 |
73
|
rnsnop |
|- ran { <. ( M + 1 ) , ( M + 1 ) >. } = { ( M + 1 ) } |
| 223 |
221 222
|
sseqtri |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) C_ { ( M + 1 ) } |
| 224 |
|
ssrin |
|- ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) C_ { ( M + 1 ) } -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) C_ ( { ( M + 1 ) } i^i ( 1 ... M ) ) ) |
| 225 |
223 224
|
ax-mp |
|- ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) C_ ( { ( M + 1 ) } i^i ( 1 ... M ) ) |
| 226 |
|
incom |
|- ( { ( M + 1 ) } i^i ( 1 ... M ) ) = ( ( 1 ... M ) i^i { ( M + 1 ) } ) |
| 227 |
226 91
|
eqtrid |
|- ( ph -> ( { ( M + 1 ) } i^i ( 1 ... M ) ) = (/) ) |
| 228 |
225 227
|
sseqtrid |
|- ( ph -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) C_ (/) ) |
| 229 |
|
ss0 |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) C_ (/) -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) = (/) ) |
| 230 |
228 229
|
syl |
|- ( ph -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) = (/) ) |
| 231 |
|
fnconstg |
|- ( 1 e. _V -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) Fn ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) ) |
| 232 |
|
fnresdisj |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) Fn ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) = (/) <-> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = (/) ) ) |
| 233 |
10 231 232
|
mp2b |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) i^i ( 1 ... M ) ) = (/) <-> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = (/) ) |
| 234 |
230 233
|
sylib |
|- ( ph -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = (/) ) |
| 235 |
234
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = (/) ) |
| 236 |
220 235
|
uneq12d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) ) = ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. (/) ) ) |
| 237 |
|
imaundir |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) = ( ( U " ( 1 ... j ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) ) |
| 238 |
237
|
xpeq1i |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) = ( ( ( U " ( 1 ... j ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) ) X. { 1 } ) |
| 239 |
|
xpundir |
|- ( ( ( U " ( 1 ... j ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) ) X. { 1 } ) = ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) ) |
| 240 |
238 239
|
eqtri |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) = ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) ) |
| 241 |
240
|
reseq1i |
|- ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) ) |` ( 1 ... M ) ) |
| 242 |
|
resundir |
|- ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) ) |` ( 1 ... M ) ) = ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) ) |
| 243 |
241 242
|
eqtr2i |
|- ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) ) = ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) |
| 244 |
|
un0 |
|- ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. (/) ) = ( ( U " ( 1 ... j ) ) X. { 1 } ) |
| 245 |
236 243 244
|
3eqtr3g |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) = ( ( U " ( 1 ... j ) ) X. { 1 } ) ) |
| 246 |
|
f1odm |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) -> dom U = ( 1 ... M ) ) |
| 247 |
6 246
|
syl |
|- ( ph -> dom U = ( 1 ... M ) ) |
| 248 |
247
|
ineq2d |
|- ( ph -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i dom U ) = ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) ) |
| 249 |
248
|
reseq2d |
|- ( ph -> ( U |` ( ( ( j + 1 ) ... ( M + 1 ) ) i^i dom U ) ) = ( U |` ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) ) ) |
| 250 |
|
resindm |
|- ( U |` ( ( ( j + 1 ) ... ( M + 1 ) ) i^i dom U ) ) = ( U |` ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 251 |
249 250
|
eqtr3di |
|- ( ph -> ( U |` ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) ) = ( U |` ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 252 |
39
|
ineq2d |
|- ( j e. ( 0 ... M ) -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) = ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) ) |
| 253 |
|
fzssp1 |
|- ( ( j + 1 ) ... M ) C_ ( ( j + 1 ) ... ( M + 1 ) ) |
| 254 |
|
sseqin2 |
|- ( ( ( j + 1 ) ... M ) C_ ( ( j + 1 ) ... ( M + 1 ) ) <-> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) = ( ( j + 1 ) ... M ) ) |
| 255 |
253 254
|
mpbi |
|- ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) = ( ( j + 1 ) ... M ) |
| 256 |
255
|
a1i |
|- ( j e. ( 0 ... M ) -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) = ( ( j + 1 ) ... M ) ) |
| 257 |
|
incom |
|- ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) = ( ( 1 ... j ) i^i ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 258 |
257 130
|
eqtrid |
|- ( j e. ( 0 ... M ) -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) = (/) ) |
| 259 |
256 258
|
uneq12d |
|- ( j e. ( 0 ... M ) -> ( ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) u. ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) ) = ( ( ( j + 1 ) ... M ) u. (/) ) ) |
| 260 |
|
uncom |
|- ( ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) u. ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) ) = ( ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) u. ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) ) |
| 261 |
|
indi |
|- ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) = ( ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) u. ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) ) |
| 262 |
260 261
|
eqtr4i |
|- ( ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( j + 1 ) ... M ) ) u. ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... j ) ) ) = ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) |
| 263 |
|
un0 |
|- ( ( ( j + 1 ) ... M ) u. (/) ) = ( ( j + 1 ) ... M ) |
| 264 |
259 262 263
|
3eqtr3g |
|- ( j e. ( 0 ... M ) -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( ( 1 ... j ) u. ( ( j + 1 ) ... M ) ) ) = ( ( j + 1 ) ... M ) ) |
| 265 |
252 264
|
eqtrd |
|- ( j e. ( 0 ... M ) -> ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) = ( ( j + 1 ) ... M ) ) |
| 266 |
265
|
reseq2d |
|- ( j e. ( 0 ... M ) -> ( U |` ( ( ( j + 1 ) ... ( M + 1 ) ) i^i ( 1 ... M ) ) ) = ( U |` ( ( j + 1 ) ... M ) ) ) |
| 267 |
251 266
|
sylan9req |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( U |` ( ( j + 1 ) ... ( M + 1 ) ) ) = ( U |` ( ( j + 1 ) ... M ) ) ) |
| 268 |
267
|
rneqd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ran ( U |` ( ( j + 1 ) ... ( M + 1 ) ) ) = ran ( U |` ( ( j + 1 ) ... M ) ) ) |
| 269 |
|
df-ima |
|- ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) = ran ( U |` ( ( j + 1 ) ... ( M + 1 ) ) ) |
| 270 |
|
df-ima |
|- ( U " ( ( j + 1 ) ... M ) ) = ran ( U |` ( ( j + 1 ) ... M ) ) |
| 271 |
268 269 270
|
3eqtr4g |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) = ( U " ( ( j + 1 ) ... M ) ) ) |
| 272 |
271
|
xpeq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 273 |
272
|
reseq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |` ( 1 ... M ) ) ) |
| 274 |
|
relxp |
|- Rel ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |
| 275 |
|
dmxpss |
|- dom ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) C_ ( U " ( ( j + 1 ) ... M ) ) |
| 276 |
|
imassrn |
|- ( U " ( ( j + 1 ) ... M ) ) C_ ran U |
| 277 |
275 276
|
sstri |
|- dom ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) C_ ran U |
| 278 |
277 216
|
sstrid |
|- ( ph -> dom ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) C_ ( 1 ... M ) ) |
| 279 |
|
relssres |
|- ( ( Rel ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) /\ dom ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) C_ ( 1 ... M ) ) -> ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 280 |
274 278 279
|
sylancr |
|- ( ph -> ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 281 |
280
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 282 |
273 281
|
eqtrd |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 283 |
|
imassrn |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) C_ ran { <. ( M + 1 ) , ( M + 1 ) >. } |
| 284 |
283 222
|
sseqtri |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) C_ { ( M + 1 ) } |
| 285 |
|
ssrin |
|- ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) C_ { ( M + 1 ) } -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) C_ ( { ( M + 1 ) } i^i ( 1 ... M ) ) ) |
| 286 |
284 285
|
ax-mp |
|- ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) C_ ( { ( M + 1 ) } i^i ( 1 ... M ) ) |
| 287 |
286 227
|
sseqtrid |
|- ( ph -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) C_ (/) ) |
| 288 |
|
ss0 |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) C_ (/) -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) = (/) ) |
| 289 |
287 288
|
syl |
|- ( ph -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) = (/) ) |
| 290 |
|
fnconstg |
|- ( 0 e. _V -> ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) |
| 291 |
|
fnresdisj |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) Fn ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) = (/) <-> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = (/) ) ) |
| 292 |
13 290 291
|
mp2b |
|- ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) i^i ( 1 ... M ) ) = (/) <-> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = (/) ) |
| 293 |
289 292
|
sylib |
|- ( ph -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = (/) ) |
| 294 |
293
|
adantr |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = (/) ) |
| 295 |
282 294
|
uneq12d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) ) = ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) u. (/) ) ) |
| 296 |
173
|
xpeq1i |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) = ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) X. { 0 } ) |
| 297 |
|
xpundir |
|- ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) u. ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) ) X. { 0 } ) = ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |
| 298 |
296 297
|
eqtri |
|- ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) = ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |
| 299 |
298
|
reseq1i |
|- ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) |
| 300 |
|
resundir |
|- ( ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) u. ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) = ( ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) ) |
| 301 |
299 300
|
eqtr2i |
|- ( ( ( ( U " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) u. ( ( ( { <. ( M + 1 ) , ( M + 1 ) >. } " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) ) = ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) |
| 302 |
|
un0 |
|- ( ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) u. (/) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) |
| 303 |
295 301 302
|
3eqtr3g |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) = ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) |
| 304 |
245 303
|
uneq12d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) |` ( 1 ... M ) ) u. ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) |` ( 1 ... M ) ) ) = ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) |
| 305 |
209 304
|
eqtrid |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) = ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) |
| 306 |
305
|
fveq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) |` ( 1 ... M ) ) ` n ) = ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) |
| 307 |
208 306
|
sylan9eqr |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n e. ( 1 ... M ) ) -> ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) = ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) |
| 308 |
206 307
|
oveq12d |
|- ( ( ( ph /\ j e. ( 0 ... M ) ) /\ n e. ( 1 ... M ) ) -> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) = ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) |
| 309 |
308
|
mpteq2dva |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( n e. ( 1 ... M ) |-> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) ) = ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) ) |
| 310 |
309
|
uneq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( n e. ( 1 ... M ) |-> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` n ) + ( ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) = ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) ) |
| 311 |
152 200 310
|
3eqtr2d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) = ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) ) |
| 312 |
311
|
uneq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) = ( ( ( n e. ( 1 ... M ) |-> ( ( T ` n ) + ( ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ` n ) ) ) u. { <. ( M + 1 ) , 0 >. } ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 313 |
81 312
|
eqtr4d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) = ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) ) |
| 314 |
313
|
csbeq1d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B ) |
| 315 |
314
|
eqeq2d |
|- ( ( ph /\ j e. ( 0 ... M ) ) -> ( i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B <-> i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B ) ) |
| 316 |
315
|
rexbidva |
|- ( ph -> ( E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B <-> E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B ) ) |
| 317 |
316
|
ralbidv |
|- ( ph -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B <-> A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B ) ) |
| 318 |
317
|
biimpd |
|- ( ph -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B -> A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B ) ) |
| 319 |
|
f1ofn |
|- ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) -> U Fn ( 1 ... M ) ) |
| 320 |
6 319
|
syl |
|- ( ph -> U Fn ( 1 ... M ) ) |
| 321 |
73 73
|
fnsn |
|- { <. ( M + 1 ) , ( M + 1 ) >. } Fn { ( M + 1 ) } |
| 322 |
|
fvun2 |
|- ( ( U Fn ( 1 ... M ) /\ { <. ( M + 1 ) , ( M + 1 ) >. } Fn { ( M + 1 ) } /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( M + 1 ) e. { ( M + 1 ) } ) ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } ` ( M + 1 ) ) ) |
| 323 |
321 322
|
mp3an2 |
|- ( ( U Fn ( 1 ... M ) /\ ( ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) /\ ( M + 1 ) e. { ( M + 1 ) } ) ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } ` ( M + 1 ) ) ) |
| 324 |
168 323
|
mpanr2 |
|- ( ( U Fn ( 1 ... M ) /\ ( ( 1 ... M ) i^i { ( M + 1 ) } ) = (/) ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } ` ( M + 1 ) ) ) |
| 325 |
320 91 324
|
syl2anc |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( { <. ( M + 1 ) , ( M + 1 ) >. } ` ( M + 1 ) ) ) |
| 326 |
73 73
|
fvsn |
|- ( { <. ( M + 1 ) , ( M + 1 ) >. } ` ( M + 1 ) ) = ( M + 1 ) |
| 327 |
325 326
|
eqtrdi |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) |
| 328 |
185 327
|
jca |
|- ( ph -> ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) ) |
| 329 |
318 328
|
jctird |
|- ( ph -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B /\ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) ) ) ) |
| 330 |
|
3anass |
|- ( ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B /\ ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) <-> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B /\ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) ) ) |
| 331 |
329 330
|
imbitrrdi |
|- ( ph -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B /\ ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) ) ) |
| 332 |
5 94
|
jctir |
|- ( ph -> ( T : ( 1 ... M ) --> ( 0 ..^ K ) /\ { <. ( M + 1 ) , 0 >. } : { ( M + 1 ) } --> { 0 } ) ) |
| 333 |
332 91 95
|
syl2anc |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) --> ( ( 0 ..^ K ) u. { 0 } ) ) |
| 334 |
333 112
|
mpbid |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( 1 ... ( M + 1 ) ) --> ( 0 ..^ K ) ) |
| 335 |
|
ovex |
|- ( 0 ..^ K ) e. _V |
| 336 |
|
ovex |
|- ( 1 ... ( M + 1 ) ) e. _V |
| 337 |
335 336
|
elmap |
|- ( ( T u. { <. ( M + 1 ) , 0 >. } ) e. ( ( 0 ..^ K ) ^m ( 1 ... ( M + 1 ) ) ) <-> ( T u. { <. ( M + 1 ) , 0 >. } ) : ( 1 ... ( M + 1 ) ) --> ( 0 ..^ K ) ) |
| 338 |
334 337
|
sylibr |
|- ( ph -> ( T u. { <. ( M + 1 ) , 0 >. } ) e. ( ( 0 ..^ K ) ^m ( 1 ... ( M + 1 ) ) ) ) |
| 339 |
|
ovex |
|- ( 1 ... M ) e. _V |
| 340 |
|
f1oexrnex |
|- ( ( U : ( 1 ... M ) -1-1-onto-> ( 1 ... M ) /\ ( 1 ... M ) e. _V ) -> U e. _V ) |
| 341 |
6 339 340
|
sylancl |
|- ( ph -> U e. _V ) |
| 342 |
|
snex |
|- { <. ( M + 1 ) , ( M + 1 ) >. } e. _V |
| 343 |
|
unexg |
|- ( ( U e. _V /\ { <. ( M + 1 ) , ( M + 1 ) >. } e. _V ) -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. _V ) |
| 344 |
341 342 343
|
sylancl |
|- ( ph -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. _V ) |
| 345 |
|
f1oeq1 |
|- ( f = ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) -> ( f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) ) ) |
| 346 |
345
|
elabg |
|- ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. _V -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) ) ) |
| 347 |
344 346
|
syl |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) ) ) |
| 348 |
|
f1oeq23 |
|- ( ( ( 1 ... ( M + 1 ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) /\ ( 1 ... ( M + 1 ) ) = ( ( 1 ... M ) u. { ( M + 1 ) } ) ) -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) ) |
| 349 |
105 105 348
|
syl2anc |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) ) |
| 350 |
347 349
|
bitrd |
|- ( ph -> ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } <-> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) : ( ( 1 ... M ) u. { ( M + 1 ) } ) -1-1-onto-> ( ( 1 ... M ) u. { ( M + 1 ) } ) ) ) |
| 351 |
124 350
|
mpbird |
|- ( ph -> ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) e. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } ) |
| 352 |
338 351
|
opelxpd |
|- ( ph -> <. ( T u. { <. ( M + 1 ) , 0 >. } ) , ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) >. e. ( ( ( 0 ..^ K ) ^m ( 1 ... ( M + 1 ) ) ) X. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } ) ) |
| 353 |
331 352
|
jctild |
|- ( ph -> ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( T oF + ( ( ( U " ( 1 ... j ) ) X. { 1 } ) u. ( ( U " ( ( j + 1 ) ... M ) ) X. { 0 } ) ) ) u. ( ( ( M + 1 ) ... N ) X. { 0 } ) ) / p ]_ B -> ( <. ( T u. { <. ( M + 1 ) , 0 >. } ) , ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) >. e. ( ( ( 0 ..^ K ) ^m ( 1 ... ( M + 1 ) ) ) X. { f | f : ( 1 ... ( M + 1 ) ) -1-1-onto-> ( 1 ... ( M + 1 ) ) } ) /\ ( A. i e. ( 0 ... M ) E. j e. ( 0 ... M ) i = [_ ( ( ( T u. { <. ( M + 1 ) , 0 >. } ) oF + ( ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( 1 ... j ) ) X. { 1 } ) u. ( ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) " ( ( j + 1 ) ... ( M + 1 ) ) ) X. { 0 } ) ) ) u. ( ( ( ( M + 1 ) + 1 ) ... N ) X. { 0 } ) ) / p ]_ B /\ ( ( T u. { <. ( M + 1 ) , 0 >. } ) ` ( M + 1 ) ) = 0 /\ ( ( U u. { <. ( M + 1 ) , ( M + 1 ) >. } ) ` ( M + 1 ) ) = ( M + 1 ) ) ) ) ) |