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Metamath Proof Explorer

Theorem oveq2i

Description: Equality inference for operation value. (Contributed by NM, 28-Feb-1995)

		Ref	Expression
	Hypothesis	oveq1i.1	$⊢ A = B$
	Assertion	oveq2i	$⊢ C F A = C F B$

Step	Hyp	Ref	Expression
1		oveq1i.1	$⊢ A = B$
2		oveq2	$⊢ A = B \to C F A = C F B$
3	1 2	ax-mp	$⊢ C F A = C F B$