Step |
Hyp |
Ref |
Expression |
1 |
|
goaln0 |
|
2 |
1
|
adantl |
|
3 |
|
nnsuc |
|
4 |
|
suceq |
|
5 |
4
|
fveq2d |
|
6 |
5
|
eleq2d |
|
7 |
5
|
eleq2d |
|
8 |
6 7
|
imbi12d |
|
9 |
|
suceq |
|
10 |
9
|
fveq2d |
|
11 |
10
|
eleq2d |
|
12 |
10
|
eleq2d |
|
13 |
11 12
|
imbi12d |
|
14 |
|
suceq |
|
15 |
14
|
fveq2d |
|
16 |
15
|
eleq2d |
|
17 |
15
|
eleq2d |
|
18 |
16 17
|
imbi12d |
|
19 |
|
suceq |
|
20 |
19
|
fveq2d |
|
21 |
20
|
eleq2d |
|
22 |
20
|
eleq2d |
|
23 |
21 22
|
imbi12d |
|
24 |
|
peano1 |
|
25 |
|
df-goal |
|
26 |
|
opex |
|
27 |
25 26
|
eqeltri |
|
28 |
|
isfmlasuc |
|
29 |
24 27 28
|
mp2an |
|
30 |
|
eqeq1 |
|
31 |
30
|
2rexbidv |
|
32 |
|
fmla0 |
|
33 |
31 32
|
elrab2 |
|
34 |
25
|
a1i |
|
35 |
|
goel |
|
36 |
34 35
|
eqeq12d |
|
37 |
|
2oex |
|
38 |
|
opex |
|
39 |
37 38
|
opth |
|
40 |
|
2on0 |
|
41 |
|
eqneqall |
|
42 |
40 41
|
mpi |
|
43 |
42
|
adantr |
|
44 |
39 43
|
sylbi |
|
45 |
36 44
|
syl6bi |
|
46 |
45
|
rexlimdva |
|
47 |
46
|
rexlimiv |
|
48 |
33 47
|
simplbiim |
|
49 |
|
gonanegoal |
|
50 |
|
eqneqall |
|
51 |
49 50
|
mpi |
|
52 |
51
|
eqcoms |
|
53 |
52
|
a1i |
|
54 |
53
|
rexlimdva |
|
55 |
|
df-goal |
|
56 |
25 55
|
eqeq12i |
|
57 |
37 38
|
opth |
|
58 |
|
vex |
|
59 |
|
vex |
|
60 |
58 59
|
opth |
|
61 |
|
eleq1w |
|
62 |
|
fmlasssuc |
|
63 |
24 62
|
ax-mp |
|
64 |
63
|
sseli |
|
65 |
61 64
|
syl6bi |
|
66 |
65
|
eqcoms |
|
67 |
60 66
|
simplbiim |
|
68 |
57 67
|
simplbiim |
|
69 |
68
|
com12 |
|
70 |
69
|
adantr |
|
71 |
56 70
|
syl5bi |
|
72 |
71
|
rexlimdva |
|
73 |
54 72
|
jaod |
|
74 |
73
|
rexlimiv |
|
75 |
48 74
|
jaoi |
|
76 |
29 75
|
sylbi |
|
77 |
|
goalrlem |
|
78 |
8 13 18 23 76 77
|
finds |
|
79 |
78
|
adantr |
|
80 |
|
fveq2 |
|
81 |
80
|
eleq2d |
|
82 |
80
|
eleq2d |
|
83 |
81 82
|
imbi12d |
|
84 |
83
|
adantl |
|
85 |
79 84
|
mpbird |
|
86 |
85
|
rexlimiva |
|
87 |
3 86
|
syl |
|
88 |
87
|
impancom |
|
89 |
2 88
|
mpd |
|