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Theorem eqsym 251
Description: Equality is symmetric.
Assertion
Ref Expression
eqsym (X = YY = X)

Proof of Theorem eqsym
StepHypRef Expression
Colors of variables: wff var nilad
Syntax hints:  wli 61   = weq 246
 WARNING: This theorem has an incomplete proof.
This theorem is referenced by: (None)
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