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 )

Proof

Step	Hyp	Ref	Expression
1		oveq1i.1	⊢ 𝐴 = 𝐵
2		oveq2	⊢ ( 𝐴 = 𝐵 → ( 𝐶 𝐹 𝐴 ) = ( 𝐶 𝐹 𝐵 ) )
3	1 2	ax-mp	⊢ ( 𝐶 𝐹 𝐴 ) = ( 𝐶 𝐹 𝐵 )