Description: Deduction for a group homomorphism. (Contributed by Stefan O'Rear, 4-Feb-2015)
Ref | Expression | ||
---|---|---|---|
Hypotheses | isghmd.x | |
|
isghmd.y | |
||
isghmd.a | |
||
isghmd.b | |
||
isghmd.s | |
||
isghmd.t | |
||
isghmd.f | |
||
isghmd.l | |
||
Assertion | isghmd | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | isghmd.x | |
|
2 | isghmd.y | |
|
3 | isghmd.a | |
|
4 | isghmd.b | |
|
5 | isghmd.s | |
|
6 | isghmd.t | |
|
7 | isghmd.f | |
|
8 | isghmd.l | |
|
9 | 8 | ralrimivva | |
10 | 7 9 | jca | |
11 | 1 2 3 4 | isghm | |
12 | 5 6 10 11 | syl21anbrc | |