Step |
Hyp |
Ref |
Expression |
1 |
|
simpr |
|
2 |
|
zex |
|
3 |
|
simpll |
|
4 |
|
elmapg |
|
5 |
2 3 4
|
sylancr |
|
6 |
1 5
|
mpbid |
|
7 |
|
simplr |
|
8 |
|
fcompt |
|
9 |
6 7 8
|
syl2anc |
|
10 |
|
fveq1 |
|
11 |
|
eqid |
|
12 |
|
fvex |
|
13 |
10 11 12
|
fvmpt |
|
14 |
13
|
ad2antlr |
|
15 |
14
|
eqcomd |
|
16 |
15
|
mpteq2dva |
|
17 |
9 16
|
eqtrd |
|
18 |
17
|
fveq2d |
|
19 |
18
|
mpteq2dva |
|
20 |
19
|
3adant2 |
|
21 |
|
simpl1 |
|
22 |
|
ffvelrn |
|
23 |
22
|
3ad2antl3 |
|
24 |
|
mzpproj |
|
25 |
21 23 24
|
syl2anc |
|
26 |
25
|
ralrimiva |
|
27 |
|
mzpsubst |
|
28 |
26 27
|
syld3an3 |
|
29 |
20 28
|
eqeltrd |
|