Syntax Definition wid4oa 28

Description: If a, b, c, and d are terms, so is (a == c, d ==OA b).

Hypotheses

Ref	Expression
wva	term a
wvb	term b
wvc	term c
wvd	term d

Assertion

Ref	Expression
wid4oa	term (a == c, d ==OA b)

See definition df-id4oa 58 for more information.

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