| Step |
Hyp |
Ref |
Expression |
| 1 |
|
isubgr3stgr.v |
|
| 2 |
|
isubgr3stgr.u |
|
| 3 |
|
isubgr3stgr.c |
|
| 4 |
|
isubgr3stgr.n |
|
| 5 |
|
isubgr3stgr.s |
Could not format S = ( StarGr ` N ) : No typesetting found for |- S = ( StarGr ` N ) with typecode |- |
| 6 |
|
isubgr3stgr.w |
|
| 7 |
|
isubgr3stgr.e |
|
| 8 |
|
isubgr3stgr.i |
|
| 9 |
|
isubgr3stgr.h |
|
| 10 |
9
|
a1i |
|
| 11 |
|
imaeq2 |
|
| 12 |
11
|
adantl |
|
| 13 |
|
simpr |
|
| 14 |
|
id |
|
| 15 |
3
|
ovexi |
|
| 16 |
15
|
a1i |
|
| 17 |
14 16
|
fexd |
|
| 18 |
17
|
adantr |
|
| 19 |
18
|
imaexd |
|
| 20 |
10 12 13 19
|
fvmptd |
|