Step |
Hyp |
Ref |
Expression |
1 |
|
cvmliftlem.1 |
|
2 |
|
cvmliftlem.b |
|
3 |
|
cvmliftlem.x |
|
4 |
|
cvmliftlem.f |
|
5 |
|
cvmliftlem.g |
|
6 |
|
cvmliftlem.p |
|
7 |
|
cvmliftlem.e |
|
8 |
|
cvmliftlem.n |
|
9 |
|
cvmliftlem.t |
|
10 |
|
cvmliftlem.a |
|
11 |
|
cvmliftlem.l |
|
12 |
|
cvmliftlem1.m |
|
13 |
|
relxp |
|
14 |
13
|
rgenw |
|
15 |
|
reliun |
|
16 |
14 15
|
mpbir |
|
17 |
9
|
adantr |
|
18 |
17 12
|
ffvelrnd |
|
19 |
|
1st2nd |
|
20 |
16 18 19
|
sylancr |
|
21 |
20 18
|
eqeltrrd |
|
22 |
|
fveq2 |
|
23 |
22
|
opeliunxp2 |
|
24 |
23
|
simprbi |
|
25 |
21 24
|
syl |
|