Description: Equality deduction for intersection of two classes. (Contributed by NM, 10-Apr-1994)
Ref | Expression | ||
---|---|---|---|
Hypothesis | ineq1d.1 | |
|
Assertion | ineq1d | |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ineq1d.1 | |
|
2 | ineq1 | |
|
3 | 1 2 | syl | |