Step |
Hyp |
Ref |
Expression |
1 |
|
n0 |
|
2 |
|
opelxp |
|
3 |
|
fvres |
|
4 |
|
vex |
|
5 |
|
vex |
|
6 |
4 5
|
op1st |
|
7 |
3 6
|
eqtr2di |
|
8 |
|
f1stres |
|
9 |
|
ffn |
|
10 |
8 9
|
ax-mp |
|
11 |
|
fnfvelrn |
|
12 |
10 11
|
mpan |
|
13 |
7 12
|
eqeltrd |
|
14 |
2 13
|
sylbir |
|
15 |
14
|
expcom |
|
16 |
15
|
exlimiv |
|
17 |
1 16
|
sylbi |
|
18 |
17
|
ssrdv |
|
19 |
|
frn |
|
20 |
8 19
|
ax-mp |
|
21 |
18 20
|
jctil |
|
22 |
|
eqss |
|
23 |
21 22
|
sylibr |
|
24 |
23 8
|
jctil |
|
25 |
|
dffo2 |
|
26 |
24 25
|
sylibr |
|