Description: Member of the projective map of an atom. (Contributed by NM, 27-Jan-2012)
Ref | Expression | ||
---|---|---|---|
Hypotheses | pmapat.a | |
|
pmapat.m | |
||
Assertion | elpmapat | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | pmapat.a | |
|
2 | pmapat.m | |
|
3 | 1 2 | pmapat | |
4 | 3 | eleq2d | |
5 | elsn2g | |
|
6 | 5 | adantl | |
7 | 4 6 | bitrd | |