Step |
Hyp |
Ref |
Expression |
1 |
|
axlowdim1 |
|
2 |
1
|
3ad2ant1 |
|
3 |
|
simp11 |
|
4 |
|
simp12 |
|
5 |
|
simp13 |
|
6 |
|
simp2l |
|
7 |
|
simp2r |
|
8 |
|
axsegcon |
|
9 |
3 4 5 6 7 8
|
syl122anc |
|
10 |
|
simpl11 |
|
11 |
|
simpl13 |
|
12 |
|
simpr |
|
13 |
|
simpl2l |
|
14 |
|
simpl2r |
|
15 |
|
cgrdegen |
|
16 |
10 11 12 13 14 15
|
syl122anc |
|
17 |
|
biimp |
|
18 |
17
|
necon3d |
|
19 |
18
|
com12 |
|
20 |
19
|
3ad2ant3 |
|
21 |
20
|
adantr |
|
22 |
16 21
|
syld |
|
23 |
22
|
anim2d |
|
24 |
23
|
reximdva |
|
25 |
9 24
|
mpd |
|
26 |
25
|
3exp |
|
27 |
26
|
rexlimdvv |
|
28 |
2 27
|
mpd |
|