Description: Equality deduction for operation value. (Contributed by NM, 10-Aug-1995)
Ref | Expression | ||
---|---|---|---|
Hypotheses | oveq1d.1 | |- ( ph -> A = B ) |
|
opreqan12i.2 | |- ( ps -> C = D ) |
||
Assertion | oveqan12rd | |- ( ( ps /\ ph ) -> ( A F C ) = ( B F D ) ) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | oveq1d.1 | |- ( ph -> A = B ) |
|
2 | opreqan12i.2 | |- ( ps -> C = D ) |
|
3 | 1 2 | oveqan12d | |- ( ( ph /\ ps ) -> ( A F C ) = ( B F D ) ) |
4 | 3 | ancoms | |- ( ( ps /\ ph ) -> ( A F C ) = ( B F D ) ) |