Step |
Hyp |
Ref |
Expression |
1 |
|
dfac10 |
|
2 |
|
vex |
|
3 |
|
eleq2 |
|
4 |
2 3
|
mpbiri |
|
5 |
|
infxpidm2 |
|
6 |
5
|
ex |
|
7 |
4 6
|
syl |
|
8 |
7
|
alrimiv |
|
9 |
|
finnum |
|
10 |
9
|
adantl |
|
11 |
|
harcl |
|
12 |
|
onenon |
|
13 |
11 12
|
ax-mp |
|
14 |
|
fvex |
|
15 |
|
vex |
|
16 |
14 15
|
unex |
|
17 |
|
harinf |
|
18 |
15 17
|
mpan |
|
19 |
|
ssun1 |
|
20 |
18 19
|
sstrdi |
|
21 |
|
ssdomg |
|
22 |
16 20 21
|
mpsyl |
|
23 |
|
breq2 |
|
24 |
|
xpeq12 |
|
25 |
24
|
anidms |
|
26 |
|
id |
|
27 |
25 26
|
breq12d |
|
28 |
23 27
|
imbi12d |
|
29 |
16 28
|
spcv |
|
30 |
22 29
|
syl5 |
|
31 |
30
|
imp |
|
32 |
|
harndom |
|
33 |
|
ssdomg |
|
34 |
16 19 33
|
mp2 |
|
35 |
|
domtr |
|
36 |
34 35
|
mpan |
|
37 |
32 36
|
mto |
|
38 |
|
unxpwdom2 |
|
39 |
|
orel2 |
|
40 |
37 38 39
|
mpsyl |
|
41 |
31 40
|
syl |
|
42 |
|
wdomnumr |
|
43 |
13 42
|
ax-mp |
|
44 |
41 43
|
sylib |
|
45 |
|
numdom |
|
46 |
13 44 45
|
sylancr |
|
47 |
|
ssun2 |
|
48 |
|
ssnum |
|
49 |
46 47 48
|
sylancl |
|
50 |
10 49
|
pm2.61dan |
|
51 |
50
|
alrimiv |
|
52 |
|
eqv |
|
53 |
51 52
|
sylibr |
|
54 |
8 53
|
impbii |
|
55 |
1 54
|
bitri |
|