Step |
Hyp |
Ref |
Expression |
1 |
|
ima0 |
|
2 |
|
xpeq2 |
|
3 |
|
xp0 |
|
4 |
2 3
|
eqtrdi |
|
5 |
4
|
imaeq2d |
|
6 |
|
id |
|
7 |
1 5 6
|
3eqtr4a |
|
8 |
7
|
adantl |
|
9 |
|
xpnz |
|
10 |
|
fo2nd |
|
11 |
|
fofn |
|
12 |
10 11
|
mp1i |
|
13 |
|
ssv |
|
14 |
13
|
a1i |
|
15 |
12 14
|
fvelimabd |
|
16 |
9 15
|
sylbi |
|
17 |
|
simpr |
|
18 |
|
xp2nd |
|
19 |
18
|
ad2antlr |
|
20 |
17 19
|
eqeltrrd |
|
21 |
20
|
r19.29an |
|
22 |
|
n0 |
|
23 |
22
|
biimpi |
|
24 |
23
|
ad2antrr |
|
25 |
|
opelxpi |
|
26 |
25
|
ancoms |
|
27 |
26
|
adantll |
|
28 |
|
fveqeq2 |
|
29 |
28
|
adantl |
|
30 |
|
vex |
|
31 |
|
vex |
|
32 |
30 31
|
op2nd |
|
33 |
32
|
a1i |
|
34 |
27 29 33
|
rspcedvd |
|
35 |
24 34
|
exlimddv |
|
36 |
21 35
|
impbida |
|
37 |
16 36
|
bitrd |
|
38 |
37
|
eqrdv |
|
39 |
8 38
|
pm2.61dane |
|