| Step |
Hyp |
Ref |
Expression |
| 1 |
|
fveq2 |
|- ( a = 1 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` 1 ) ) |
| 2 |
|
1z |
|- 1 e. ZZ |
| 3 |
|
seq1 |
|- ( 1 e. ZZ -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` 1 ) = ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) ) |
| 4 |
2 3
|
ax-mp |
|- ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` 1 ) = ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) |
| 5 |
1 4
|
eqtrdi |
|- ( a = 1 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) ) |
| 6 |
|
oveq1 |
|- ( a = 1 -> ( a + 1 ) = ( 1 + 1 ) ) |
| 7 |
|
oveq1 |
|- ( a = 1 -> ( a + ( M + 1 ) ) = ( 1 + ( M + 1 ) ) ) |
| 8 |
6 7
|
oveq12d |
|- ( a = 1 -> ( ( a + 1 ) / ( a + ( M + 1 ) ) ) = ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) |
| 9 |
8
|
oveq2d |
|- ( a = 1 -> ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) |
| 10 |
5 9
|
eqeq12d |
|- ( a = 1 -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) <-> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) ) |
| 11 |
10
|
imbi2d |
|- ( a = 1 -> ( ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) ) <-> ( M e. NN0 -> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) ) ) |
| 12 |
|
fveq2 |
|- ( a = k -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) ) |
| 13 |
|
oveq1 |
|- ( a = k -> ( a + 1 ) = ( k + 1 ) ) |
| 14 |
|
oveq1 |
|- ( a = k -> ( a + ( M + 1 ) ) = ( k + ( M + 1 ) ) ) |
| 15 |
13 14
|
oveq12d |
|- ( a = k -> ( ( a + 1 ) / ( a + ( M + 1 ) ) ) = ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) |
| 16 |
15
|
oveq2d |
|- ( a = k -> ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) |
| 17 |
12 16
|
eqeq12d |
|- ( a = k -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) <-> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) ) |
| 18 |
17
|
imbi2d |
|- ( a = k -> ( ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) ) <-> ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) ) ) |
| 19 |
|
fveq2 |
|- ( a = ( k + 1 ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) ) |
| 20 |
|
oveq1 |
|- ( a = ( k + 1 ) -> ( a + 1 ) = ( ( k + 1 ) + 1 ) ) |
| 21 |
|
oveq1 |
|- ( a = ( k + 1 ) -> ( a + ( M + 1 ) ) = ( ( k + 1 ) + ( M + 1 ) ) ) |
| 22 |
20 21
|
oveq12d |
|- ( a = ( k + 1 ) -> ( ( a + 1 ) / ( a + ( M + 1 ) ) ) = ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) |
| 23 |
22
|
oveq2d |
|- ( a = ( k + 1 ) -> ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) |
| 24 |
19 23
|
eqeq12d |
|- ( a = ( k + 1 ) -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) <-> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) ) |
| 25 |
24
|
imbi2d |
|- ( a = ( k + 1 ) -> ( ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) ) <-> ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) ) ) |
| 26 |
|
fveq2 |
|- ( a = b -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) ) |
| 27 |
|
oveq1 |
|- ( a = b -> ( a + 1 ) = ( b + 1 ) ) |
| 28 |
|
oveq1 |
|- ( a = b -> ( a + ( M + 1 ) ) = ( b + ( M + 1 ) ) ) |
| 29 |
27 28
|
oveq12d |
|- ( a = b -> ( ( a + 1 ) / ( a + ( M + 1 ) ) ) = ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) |
| 30 |
29
|
oveq2d |
|- ( a = b -> ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) |
| 31 |
26 30
|
eqeq12d |
|- ( a = b -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) <-> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) ) |
| 32 |
31
|
imbi2d |
|- ( a = b -> ( ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` a ) = ( ( M + 1 ) x. ( ( a + 1 ) / ( a + ( M + 1 ) ) ) ) ) <-> ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) ) ) |
| 33 |
|
1nn |
|- 1 e. NN |
| 34 |
|
oveq2 |
|- ( n = 1 -> ( M / n ) = ( M / 1 ) ) |
| 35 |
34
|
oveq2d |
|- ( n = 1 -> ( 1 + ( M / n ) ) = ( 1 + ( M / 1 ) ) ) |
| 36 |
|
oveq2 |
|- ( n = 1 -> ( 1 / n ) = ( 1 / 1 ) ) |
| 37 |
36
|
oveq2d |
|- ( n = 1 -> ( 1 + ( 1 / n ) ) = ( 1 + ( 1 / 1 ) ) ) |
| 38 |
35 37
|
oveq12d |
|- ( n = 1 -> ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) = ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) ) |
| 39 |
|
oveq2 |
|- ( n = 1 -> ( ( M + 1 ) / n ) = ( ( M + 1 ) / 1 ) ) |
| 40 |
39
|
oveq2d |
|- ( n = 1 -> ( 1 + ( ( M + 1 ) / n ) ) = ( 1 + ( ( M + 1 ) / 1 ) ) ) |
| 41 |
38 40
|
oveq12d |
|- ( n = 1 -> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) = ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) ) |
| 42 |
|
eqid |
|- ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) = ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) |
| 43 |
|
ovex |
|- ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) e. _V |
| 44 |
41 42 43
|
fvmpt |
|- ( 1 e. NN -> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) = ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) ) |
| 45 |
33 44
|
ax-mp |
|- ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) = ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) |
| 46 |
|
nn0cn |
|- ( M e. NN0 -> M e. CC ) |
| 47 |
46
|
div1d |
|- ( M e. NN0 -> ( M / 1 ) = M ) |
| 48 |
47
|
oveq2d |
|- ( M e. NN0 -> ( 1 + ( M / 1 ) ) = ( 1 + M ) ) |
| 49 |
|
1div1e1 |
|- ( 1 / 1 ) = 1 |
| 50 |
49
|
oveq2i |
|- ( 1 + ( 1 / 1 ) ) = ( 1 + 1 ) |
| 51 |
50
|
a1i |
|- ( M e. NN0 -> ( 1 + ( 1 / 1 ) ) = ( 1 + 1 ) ) |
| 52 |
48 51
|
oveq12d |
|- ( M e. NN0 -> ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) = ( ( 1 + M ) x. ( 1 + 1 ) ) ) |
| 53 |
|
nn0p1nn |
|- ( M e. NN0 -> ( M + 1 ) e. NN ) |
| 54 |
53
|
nncnd |
|- ( M e. NN0 -> ( M + 1 ) e. CC ) |
| 55 |
54
|
div1d |
|- ( M e. NN0 -> ( ( M + 1 ) / 1 ) = ( M + 1 ) ) |
| 56 |
55
|
oveq2d |
|- ( M e. NN0 -> ( 1 + ( ( M + 1 ) / 1 ) ) = ( 1 + ( M + 1 ) ) ) |
| 57 |
52 56
|
oveq12d |
|- ( M e. NN0 -> ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) = ( ( ( 1 + M ) x. ( 1 + 1 ) ) / ( 1 + ( M + 1 ) ) ) ) |
| 58 |
|
1cnd |
|- ( M e. NN0 -> 1 e. CC ) |
| 59 |
58 46
|
addcomd |
|- ( M e. NN0 -> ( 1 + M ) = ( M + 1 ) ) |
| 60 |
59
|
oveq1d |
|- ( M e. NN0 -> ( ( 1 + M ) x. ( 1 + 1 ) ) = ( ( M + 1 ) x. ( 1 + 1 ) ) ) |
| 61 |
60
|
oveq1d |
|- ( M e. NN0 -> ( ( ( 1 + M ) x. ( 1 + 1 ) ) / ( 1 + ( M + 1 ) ) ) = ( ( ( M + 1 ) x. ( 1 + 1 ) ) / ( 1 + ( M + 1 ) ) ) ) |
| 62 |
|
ax-1cn |
|- 1 e. CC |
| 63 |
62 62
|
addcli |
|- ( 1 + 1 ) e. CC |
| 64 |
63
|
a1i |
|- ( M e. NN0 -> ( 1 + 1 ) e. CC ) |
| 65 |
33
|
a1i |
|- ( M e. NN0 -> 1 e. NN ) |
| 66 |
65 53
|
nnaddcld |
|- ( M e. NN0 -> ( 1 + ( M + 1 ) ) e. NN ) |
| 67 |
66
|
nncnd |
|- ( M e. NN0 -> ( 1 + ( M + 1 ) ) e. CC ) |
| 68 |
66
|
nnne0d |
|- ( M e. NN0 -> ( 1 + ( M + 1 ) ) =/= 0 ) |
| 69 |
54 64 67 68
|
divassd |
|- ( M e. NN0 -> ( ( ( M + 1 ) x. ( 1 + 1 ) ) / ( 1 + ( M + 1 ) ) ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) |
| 70 |
57 61 69
|
3eqtrd |
|- ( M e. NN0 -> ( ( ( 1 + ( M / 1 ) ) x. ( 1 + ( 1 / 1 ) ) ) / ( 1 + ( ( M + 1 ) / 1 ) ) ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) |
| 71 |
45 70
|
eqtrid |
|- ( M e. NN0 -> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` 1 ) = ( ( M + 1 ) x. ( ( 1 + 1 ) / ( 1 + ( M + 1 ) ) ) ) ) |
| 72 |
|
seqp1 |
|- ( k e. ( ZZ>= ` 1 ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 73 |
|
nnuz |
|- NN = ( ZZ>= ` 1 ) |
| 74 |
72 73
|
eleq2s |
|- ( k e. NN -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 75 |
74
|
adantr |
|- ( ( k e. NN /\ M e. NN0 ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 76 |
75
|
adantr |
|- ( ( ( k e. NN /\ M e. NN0 ) /\ ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 77 |
|
oveq1 |
|- ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 78 |
77
|
adantl |
|- ( ( ( k e. NN /\ M e. NN0 ) /\ ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) ) |
| 79 |
|
peano2nn |
|- ( k e. NN -> ( k + 1 ) e. NN ) |
| 80 |
|
oveq2 |
|- ( n = ( k + 1 ) -> ( M / n ) = ( M / ( k + 1 ) ) ) |
| 81 |
80
|
oveq2d |
|- ( n = ( k + 1 ) -> ( 1 + ( M / n ) ) = ( 1 + ( M / ( k + 1 ) ) ) ) |
| 82 |
|
oveq2 |
|- ( n = ( k + 1 ) -> ( 1 / n ) = ( 1 / ( k + 1 ) ) ) |
| 83 |
82
|
oveq2d |
|- ( n = ( k + 1 ) -> ( 1 + ( 1 / n ) ) = ( 1 + ( 1 / ( k + 1 ) ) ) ) |
| 84 |
81 83
|
oveq12d |
|- ( n = ( k + 1 ) -> ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) = ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) |
| 85 |
|
oveq2 |
|- ( n = ( k + 1 ) -> ( ( M + 1 ) / n ) = ( ( M + 1 ) / ( k + 1 ) ) ) |
| 86 |
85
|
oveq2d |
|- ( n = ( k + 1 ) -> ( 1 + ( ( M + 1 ) / n ) ) = ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) |
| 87 |
84 86
|
oveq12d |
|- ( n = ( k + 1 ) -> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) = ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) |
| 88 |
|
ovex |
|- ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) e. _V |
| 89 |
87 42 88
|
fvmpt |
|- ( ( k + 1 ) e. NN -> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) = ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) |
| 90 |
79 89
|
syl |
|- ( k e. NN -> ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) = ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) |
| 91 |
90
|
oveq2d |
|- ( k e. NN -> ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) ) |
| 92 |
91
|
adantr |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) ) |
| 93 |
53
|
adantl |
|- ( ( k e. NN /\ M e. NN0 ) -> ( M + 1 ) e. NN ) |
| 94 |
93
|
nncnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( M + 1 ) e. CC ) |
| 95 |
79
|
adantr |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + 1 ) e. NN ) |
| 96 |
95
|
nnrpd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + 1 ) e. RR+ ) |
| 97 |
|
simpl |
|- ( ( k e. NN /\ M e. NN0 ) -> k e. NN ) |
| 98 |
97
|
nnrpd |
|- ( ( k e. NN /\ M e. NN0 ) -> k e. RR+ ) |
| 99 |
93
|
nnrpd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( M + 1 ) e. RR+ ) |
| 100 |
98 99
|
rpaddcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + ( M + 1 ) ) e. RR+ ) |
| 101 |
96 100
|
rpdivcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) / ( k + ( M + 1 ) ) ) e. RR+ ) |
| 102 |
101
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) / ( k + ( M + 1 ) ) ) e. CC ) |
| 103 |
|
1cnd |
|- ( ( k e. NN /\ M e. NN0 ) -> 1 e. CC ) |
| 104 |
|
nn0re |
|- ( M e. NN0 -> M e. RR ) |
| 105 |
104
|
adantl |
|- ( ( k e. NN /\ M e. NN0 ) -> M e. RR ) |
| 106 |
105 95
|
nndivred |
|- ( ( k e. NN /\ M e. NN0 ) -> ( M / ( k + 1 ) ) e. RR ) |
| 107 |
106
|
recnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( M / ( k + 1 ) ) e. CC ) |
| 108 |
103 107
|
addcomd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( M / ( k + 1 ) ) ) = ( ( M / ( k + 1 ) ) + 1 ) ) |
| 109 |
|
nn0ge0 |
|- ( M e. NN0 -> 0 <_ M ) |
| 110 |
109
|
adantl |
|- ( ( k e. NN /\ M e. NN0 ) -> 0 <_ M ) |
| 111 |
105 96 110
|
divge0d |
|- ( ( k e. NN /\ M e. NN0 ) -> 0 <_ ( M / ( k + 1 ) ) ) |
| 112 |
106 111
|
ge0p1rpd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( M / ( k + 1 ) ) + 1 ) e. RR+ ) |
| 113 |
108 112
|
eqeltrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( M / ( k + 1 ) ) ) e. RR+ ) |
| 114 |
|
1rp |
|- 1 e. RR+ |
| 115 |
114
|
a1i |
|- ( ( k e. NN /\ M e. NN0 ) -> 1 e. RR+ ) |
| 116 |
96
|
rpreccld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 / ( k + 1 ) ) e. RR+ ) |
| 117 |
115 116
|
rpaddcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( 1 / ( k + 1 ) ) ) e. RR+ ) |
| 118 |
113 117
|
rpmulcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) e. RR+ ) |
| 119 |
99 96
|
rpdivcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( M + 1 ) / ( k + 1 ) ) e. RR+ ) |
| 120 |
115 119
|
rpaddcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) e. RR+ ) |
| 121 |
118 120
|
rpdivcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) e. RR+ ) |
| 122 |
121
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) e. CC ) |
| 123 |
94 102 122
|
mulassd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) ) ) |
| 124 |
101 118
|
rpmulcld |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) e. RR+ ) |
| 125 |
124
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) e. CC ) |
| 126 |
120
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) e. CC ) |
| 127 |
95
|
nncnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + 1 ) e. CC ) |
| 128 |
120
|
rpne0d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) =/= 0 ) |
| 129 |
95
|
nnne0d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + 1 ) =/= 0 ) |
| 130 |
125 126 127 128 129
|
divcan5d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) / ( ( k + 1 ) x. ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) = ( ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) |
| 131 |
118
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) e. CC ) |
| 132 |
127 102 131
|
mul12d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) = ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( k + 1 ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) ) |
| 133 |
113
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( M / ( k + 1 ) ) ) e. CC ) |
| 134 |
117
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + ( 1 / ( k + 1 ) ) ) e. CC ) |
| 135 |
127 133 134
|
mulassd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. ( 1 + ( M / ( k + 1 ) ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( k + 1 ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) |
| 136 |
127 103 107
|
adddid |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 + ( M / ( k + 1 ) ) ) ) = ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( M / ( k + 1 ) ) ) ) ) |
| 137 |
127
|
mulridd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. 1 ) = ( k + 1 ) ) |
| 138 |
|
simpr |
|- ( ( k e. NN /\ M e. NN0 ) -> M e. NN0 ) |
| 139 |
138
|
nn0cnd |
|- ( ( k e. NN /\ M e. NN0 ) -> M e. CC ) |
| 140 |
139 127 129
|
divcan2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( M / ( k + 1 ) ) ) = M ) |
| 141 |
137 140
|
oveq12d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( M / ( k + 1 ) ) ) ) = ( ( k + 1 ) + M ) ) |
| 142 |
97
|
nncnd |
|- ( ( k e. NN /\ M e. NN0 ) -> k e. CC ) |
| 143 |
142 103 139
|
addassd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) + M ) = ( k + ( 1 + M ) ) ) |
| 144 |
103 139
|
addcomd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 + M ) = ( M + 1 ) ) |
| 145 |
144
|
oveq2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + ( 1 + M ) ) = ( k + ( M + 1 ) ) ) |
| 146 |
143 145
|
eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) + M ) = ( k + ( M + 1 ) ) ) |
| 147 |
136 141 146
|
3eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 + ( M / ( k + 1 ) ) ) ) = ( k + ( M + 1 ) ) ) |
| 148 |
147
|
oveq1d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. ( 1 + ( M / ( k + 1 ) ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( k + ( M + 1 ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) |
| 149 |
135 148
|
eqtr3d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) = ( ( k + ( M + 1 ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) |
| 150 |
149
|
oveq2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( k + 1 ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) = ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( k + ( M + 1 ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) |
| 151 |
100
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + ( M + 1 ) ) e. CC ) |
| 152 |
102 151 134
|
mulassd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( k + ( M + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( k + ( M + 1 ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) |
| 153 |
100
|
rpne0d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( k + ( M + 1 ) ) =/= 0 ) |
| 154 |
127 151 153
|
divcan1d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( k + ( M + 1 ) ) ) = ( k + 1 ) ) |
| 155 |
154
|
oveq1d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( k + ( M + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( k + 1 ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) |
| 156 |
116
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( 1 / ( k + 1 ) ) e. CC ) |
| 157 |
127 103 156
|
adddid |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( 1 / ( k + 1 ) ) ) ) ) |
| 158 |
103 127 129
|
divcan2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 / ( k + 1 ) ) ) = 1 ) |
| 159 |
137 158
|
oveq12d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( 1 / ( k + 1 ) ) ) ) = ( ( k + 1 ) + 1 ) ) |
| 160 |
155 157 159
|
3eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( k + ( M + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) = ( ( k + 1 ) + 1 ) ) |
| 161 |
152 160
|
eqtr3d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( k + ( M + 1 ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) = ( ( k + 1 ) + 1 ) ) |
| 162 |
132 150 161
|
3eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) = ( ( k + 1 ) + 1 ) ) |
| 163 |
119
|
rpcnd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( M + 1 ) / ( k + 1 ) ) e. CC ) |
| 164 |
127 103 163
|
adddid |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) = ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( ( M + 1 ) / ( k + 1 ) ) ) ) ) |
| 165 |
94 127 129
|
divcan2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( ( M + 1 ) / ( k + 1 ) ) ) = ( M + 1 ) ) |
| 166 |
137 165
|
oveq12d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. 1 ) + ( ( k + 1 ) x. ( ( M + 1 ) / ( k + 1 ) ) ) ) = ( ( k + 1 ) + ( M + 1 ) ) ) |
| 167 |
164 166
|
eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( k + 1 ) x. ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) = ( ( k + 1 ) + ( M + 1 ) ) ) |
| 168 |
162 167
|
oveq12d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) ) / ( ( k + 1 ) x. ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) = ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) |
| 169 |
102 131 126 128
|
divassd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) = ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) ) |
| 170 |
130 168 169
|
3eqtr3rd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) = ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) |
| 171 |
170
|
oveq2d |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( M + 1 ) x. ( ( ( k + 1 ) / ( k + ( M + 1 ) ) ) x. ( ( ( 1 + ( M / ( k + 1 ) ) ) x. ( 1 + ( 1 / ( k + 1 ) ) ) ) / ( 1 + ( ( M + 1 ) / ( k + 1 ) ) ) ) ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) |
| 172 |
92 123 171
|
3eqtrd |
|- ( ( k e. NN /\ M e. NN0 ) -> ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) |
| 173 |
172
|
adantr |
|- ( ( ( k e. NN /\ M e. NN0 ) /\ ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) -> ( ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) x. ( ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ` ( k + 1 ) ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) |
| 174 |
76 78 173
|
3eqtrd |
|- ( ( ( k e. NN /\ M e. NN0 ) /\ ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) |
| 175 |
174
|
exp31 |
|- ( k e. NN -> ( M e. NN0 -> ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) ) ) |
| 176 |
175
|
a2d |
|- ( k e. NN -> ( ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` k ) = ( ( M + 1 ) x. ( ( k + 1 ) / ( k + ( M + 1 ) ) ) ) ) -> ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` ( k + 1 ) ) = ( ( M + 1 ) x. ( ( ( k + 1 ) + 1 ) / ( ( k + 1 ) + ( M + 1 ) ) ) ) ) ) ) |
| 177 |
11 18 25 32 71 176
|
nnind |
|- ( b e. NN -> ( M e. NN0 -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) ) |
| 178 |
177
|
impcom |
|- ( ( M e. NN0 /\ b e. NN ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) |
| 179 |
|
oveq1 |
|- ( x = b -> ( x + 1 ) = ( b + 1 ) ) |
| 180 |
|
oveq1 |
|- ( x = b -> ( x + ( M + 1 ) ) = ( b + ( M + 1 ) ) ) |
| 181 |
179 180
|
oveq12d |
|- ( x = b -> ( ( x + 1 ) / ( x + ( M + 1 ) ) ) = ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) |
| 182 |
181
|
oveq2d |
|- ( x = b -> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) |
| 183 |
|
eqid |
|- ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) = ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) |
| 184 |
|
ovex |
|- ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) e. _V |
| 185 |
182 183 184
|
fvmpt |
|- ( b e. NN -> ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) |
| 186 |
185
|
adantl |
|- ( ( M e. NN0 /\ b e. NN ) -> ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) = ( ( M + 1 ) x. ( ( b + 1 ) / ( b + ( M + 1 ) ) ) ) ) |
| 187 |
178 186
|
eqtr4d |
|- ( ( M e. NN0 /\ b e. NN ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) ) |
| 188 |
187
|
ralrimiva |
|- ( M e. NN0 -> A. b e. NN ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) ) |
| 189 |
|
seqfn |
|- ( 1 e. ZZ -> seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn ( ZZ>= ` 1 ) ) |
| 190 |
2 189
|
ax-mp |
|- seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn ( ZZ>= ` 1 ) |
| 191 |
73
|
fneq2i |
|- ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn NN <-> seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn ( ZZ>= ` 1 ) ) |
| 192 |
190 191
|
mpbir |
|- seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn NN |
| 193 |
|
ovex |
|- ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) e. _V |
| 194 |
193 183
|
fnmpti |
|- ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) Fn NN |
| 195 |
|
eqfnfv |
|- ( ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) Fn NN /\ ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) Fn NN ) -> ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) = ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) <-> A. b e. NN ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) ) ) |
| 196 |
192 194 195
|
mp2an |
|- ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) = ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) <-> A. b e. NN ( seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) ` b ) = ( ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ` b ) ) |
| 197 |
188 196
|
sylibr |
|- ( M e. NN0 -> seq 1 ( x. , ( n e. NN |-> ( ( ( 1 + ( M / n ) ) x. ( 1 + ( 1 / n ) ) ) / ( 1 + ( ( M + 1 ) / n ) ) ) ) ) = ( x e. NN |-> ( ( M + 1 ) x. ( ( x + 1 ) / ( x + ( M + 1 ) ) ) ) ) ) |