Description: MultiplicationAssociativity generator rule. (Contributed by Stanislas Polu, 7-Apr-2020)
Ref | Expression | ||
---|---|---|---|
Hypotheses | int-mulassocd.1 | |
|
int-mulassocd.2 | |
||
int-mulassocd.3 | |
||
int-mulassocd.4 | |
||
Assertion | int-mulassocd | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | int-mulassocd.1 | |
|
2 | int-mulassocd.2 | |
|
3 | int-mulassocd.3 | |
|
4 | int-mulassocd.4 | |
|
5 | 1 | recnd | |
6 | 2 | recnd | |
7 | 3 | recnd | |
8 | 5 6 7 | mulassd | |
9 | 4 | eqcomd | |
10 | 9 | oveq1d | |
11 | 10 | oveq1d | |
12 | 8 11 | eqtr3d | |