Step |
Hyp |
Ref |
Expression |
1 |
|
peano2re |
|
2 |
1
|
adantr |
|
3 |
2
|
a1i |
|
4 |
|
ssel |
|
5 |
|
sn-ltp1 |
|
6 |
1
|
ancli |
|
7 |
|
lttr |
|
8 |
7
|
3expb |
|
9 |
6 8
|
sylan2 |
|
10 |
5 9
|
sylan2i |
|
11 |
10
|
exp4b |
|
12 |
11
|
com34 |
|
13 |
12
|
pm2.43d |
|
14 |
13
|
imp |
|
15 |
|
breq1 |
|
16 |
5 15
|
syl5ibrcom |
|
17 |
16
|
adantl |
|
18 |
14 17
|
jaod |
|
19 |
18
|
ex |
|
20 |
4 19
|
syl6 |
|
21 |
20
|
com23 |
|
22 |
21
|
imp |
|
23 |
22
|
a2d |
|
24 |
23
|
ralimdv2 |
|
25 |
24
|
expimpd |
|
26 |
3 25
|
jcad |
|
27 |
|
ovex |
|
28 |
|
eleq1 |
|
29 |
|
breq2 |
|
30 |
29
|
ralbidv |
|
31 |
28 30
|
anbi12d |
|
32 |
27 31
|
spcev |
|
33 |
26 32
|
syl6 |
|
34 |
33
|
exlimdv |
|
35 |
|
eleq1 |
|
36 |
|
breq2 |
|
37 |
36
|
ralbidv |
|
38 |
35 37
|
anbi12d |
|
39 |
38
|
cbvexvw |
|
40 |
34 39
|
syl6ib |
|
41 |
|
df-rex |
|
42 |
|
df-rex |
|
43 |
40 41 42
|
3imtr4g |
|
44 |
43
|
adantr |
|
45 |
44
|
imdistani |
|
46 |
|
df-3an |
|
47 |
|
df-3an |
|
48 |
45 46 47
|
3imtr4i |
|
49 |
|
axsup |
|
50 |
48 49
|
syl |
|