Step |
Hyp |
Ref |
Expression |
1 |
|
dmresv |
|
2 |
|
finresfin |
|
3 |
|
fvex |
|
4 |
|
eqid |
|
5 |
3 4
|
fnmpti |
|
6 |
|
dffn4 |
|
7 |
5 6
|
mpbi |
|
8 |
|
relres |
|
9 |
|
reldm |
|
10 |
|
foeq3 |
|
11 |
8 9 10
|
mp2b |
|
12 |
7 11
|
mpbir |
|
13 |
|
fodomfi |
|
14 |
2 12 13
|
sylancl |
|
15 |
|
resss |
|
16 |
|
ssdomg |
|
17 |
15 16
|
mpi |
|
18 |
|
domtr |
|
19 |
14 17 18
|
syl2anc |
|
20 |
1 19
|
eqbrtrrid |
|