Step |
Hyp |
Ref |
Expression |
1 |
|
recsexd.1 |
|
2 |
|
recsexd.2 |
Could not format ( ph -> A =/= 0s ) : No typesetting found for |- ( ph -> A =/= 0s ) with typecode |- |
3 |
|
recsex |
Could not format ( ( A e. No /\ A =/= 0s ) -> E. x e. No ( A x.s x ) = 1s ) : No typesetting found for |- ( ( A e. No /\ A =/= 0s ) -> E. x e. No ( A x.s x ) = 1s ) with typecode |- |
4 |
1 2 3
|
syl2anc |
Could not format ( ph -> E. x e. No ( A x.s x ) = 1s ) : No typesetting found for |- ( ph -> E. x e. No ( A x.s x ) = 1s ) with typecode |- |