Metamath Proof Explorer


Theorem int-eqtransd

Description: EqualityTransitivity generator rule. (Contributed by Stanislas Polu, 7-Apr-2020)

Ref Expression
Hypotheses int-eqtransd.1 ⊢ ( 𝜑 → 𝐴 = 𝐵 )
int-eqtransd.2 ⊢ ( 𝜑 → 𝐵 = 𝐶 )
Assertion int-eqtransd ( 𝜑 → 𝐴 = 𝐶 )

Proof

Step Hyp Ref Expression
1 int-eqtransd.1 ⊢ ( 𝜑 → 𝐴 = 𝐵 )
2 int-eqtransd.2 ⊢ ( 𝜑 → 𝐵 = 𝐶 )
3 1 2 eqtrd ⊢ ( 𝜑 → 𝐴 = 𝐶 )