Step |
Hyp |
Ref |
Expression |
1 |
|
fveq2 |
|
2 |
|
fveq2 |
|
3 |
1 2
|
eqeq12d |
|
4 |
|
df-fullfun |
|
5 |
4
|
fveq1i |
|
6 |
|
disjdif |
|
7 |
|
funpartfun |
|
8 |
|
funfn |
|
9 |
7 8
|
mpbi |
|
10 |
|
0ex |
|
11 |
10
|
fconst |
|
12 |
|
ffn |
|
13 |
11 12
|
ax-mp |
|
14 |
|
fvun1 |
|
15 |
9 13 14
|
mp3an12 |
|
16 |
6 15
|
mpan |
|
17 |
|
vex |
|
18 |
|
eldif |
|
19 |
17 18
|
mpbiran |
|
20 |
|
fvun2 |
|
21 |
9 13 20
|
mp3an12 |
|
22 |
6 21
|
mpan |
|
23 |
10
|
fvconst2 |
|
24 |
22 23
|
eqtrd |
|
25 |
19 24
|
sylbir |
|
26 |
|
ndmfv |
|
27 |
25 26
|
eqtr4d |
|
28 |
16 27
|
pm2.61i |
|
29 |
|
funpartfv |
|
30 |
5 28 29
|
3eqtri |
|
31 |
3 30
|
vtoclg |
|
32 |
|
fvprc |
|
33 |
|
fvprc |
|
34 |
32 33
|
eqtr4d |
|
35 |
31 34
|
pm2.61i |
|