Description: Restricted converse epsilon coset of B . (Contributed by Peter Mazsa, 11-Feb-2018) (Revised by Peter Mazsa, 21-Oct-2021)
Ref | Expression | ||
---|---|---|---|
Assertion | eccnvepres |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | brcnvep | ||
2 | 1 | anbi1cd | |
3 | 2 | abbidv | |
4 | ecres | ||
5 | df-rab | ||
6 | 3 4 5 | 3eqtr4g |