| Step |
Hyp |
Ref |
Expression |
| 1 |
|
lvolnlelln.l |
|
| 2 |
|
lvolnlelln.n |
|
| 3 |
|
lvolnlelln.v |
|
| 4 |
|
simp3 |
|
| 5 |
|
eqid |
|
| 6 |
|
eqid |
|
| 7 |
|
eqid |
|
| 8 |
5 6 7 2
|
islln2 |
|
| 9 |
8
|
3ad2ant1 |
|
| 10 |
4 9
|
mpbid |
|
| 11 |
|
simp11 |
|
| 12 |
|
simp12 |
|
| 13 |
|
simp2l |
|
| 14 |
|
simp2r |
|
| 15 |
1 6 7 3
|
lvolnle3at |
|
| 16 |
11 12 13 13 14 15
|
syl23anc |
|
| 17 |
|
simp3r |
|
| 18 |
6 7
|
hlatjidm |
|
| 19 |
11 13 18
|
syl2anc |
|
| 20 |
19
|
oveq1d |
|
| 21 |
17 20
|
eqtr4d |
|
| 22 |
21
|
breq2d |
|
| 23 |
16 22
|
mtbird |
|
| 24 |
23
|
3exp |
|
| 25 |
24
|
rexlimdvv |
|
| 26 |
25
|
adantld |
|
| 27 |
10 26
|
mpd |
|