Step |
Hyp |
Ref |
Expression |
1 |
|
tglng.p |
|
2 |
|
tglng.l |
|
3 |
|
tglng.i |
|
4 |
1 2 3
|
tglng |
|
5 |
4
|
rneqd |
|
6 |
5
|
eleq2d |
|
7 |
6
|
biimpa |
|
8 |
|
eqid |
|
9 |
1
|
fvexi |
|
10 |
9
|
rabex |
|
11 |
8 10
|
elrnmpo |
|
12 |
|
ssrab2 |
|
13 |
|
sseq1 |
|
14 |
12 13
|
mpbiri |
|
15 |
14
|
rexlimivw |
|
16 |
15
|
rexlimivw |
|
17 |
11 16
|
sylbi |
|
18 |
7 17
|
syl |
|
19 |
18
|
ralrimiva |
|
20 |
|
unissb |
|
21 |
19 20
|
sylibr |
|