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Definition df-coeleqvrel 38569
Description: Define the coelement equivalence relation predicate. (Read: the coelement equivalence relation on 𝐴.) Alternate definition is dfcoeleqvrel 38604. For sets, being an element of the class of coelement equivalence relations is equivalent to satisfying the coelement equivalence relation predicate, see elcoeleqvrelsrel 38578. (Contributed by Peter Mazsa, 11-Dec-2021.)
Assertion
Ref Expression
df-coeleqvrel ( CoElEqvRel 𝐴 ↔ EqvRel ≀ ( E ↾ 𝐴))

Detailed syntax breakdown of Definition df-coeleqvrel
StepHypRef Expression
1 cA . . 3 class 𝐴
21wcoeleqvrel 38181 . 2 wff CoElEqvRel 𝐴
3 cep 5588 . . . . . 6 class E
43ccnv 5688 . . . . 5 class E
54, 1cres 5691 . . . 4 class ( E ↾ 𝐴)
65ccoss 38162 . . 3 class ≀ ( E ↾ 𝐴)
76weqvrel 38179 . 2 wff EqvRel ≀ ( E ↾ 𝐴)
82, 7wb 206 1 wff ( CoElEqvRel 𝐴 ↔ EqvRel ≀ ( E ↾ 𝐴))
Colors of variables: wff setvar class
This definition is referenced by:  elcoeleqvrelsrel  38578  dfcoeleqvrel  38604  eqvreldmqs  38657  eldisjim  38766
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