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Definition df-eprel 4635
Description: Define the epsilon relation. Similar to Definition 6.22 of [TakeutiZaring] p. 30. The epsilon relation and set membership are the same, that is, when is a set by epelg 4636. Thus, (ex-eprel 22250). (Contributed by NM, 13-Aug-1995.)
Assertion
Ref Expression
df-eprel
Distinct variable group:   ,

Detailed syntax breakdown of Definition df-eprel
StepHypRef Expression
1 cep 4633 . 2
2 vx . . . 4
3 vy . . . 4
42, 3wel 1725 . . 3
54, 2, 3copab 4359 . 2
61, 5wceq 1662 1
Colors of variables: wff set class
This definition is referenced by:  epelg  4636  rele  4972
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