Theorem xrneq12d 37889

Description: Equality theorem for the range Cartesian product, deduction form. (Contributed by Peter Mazsa, 18-Dec-2021.)

Hypotheses

Ref	Expression
xrneq12d.1	⊢ (𝜑 → 𝐴 = 𝐵)
xrneq12d.2	⊢ (𝜑 → 𝐶 = 𝐷)

Assertion

Ref	Expression
xrneq12d	⊢ (𝜑 → (𝐴 ⋉ 𝐶) = (𝐵 ⋉ 𝐷))

Proof of Theorem xrneq12d

Step	Hyp	Ref	Expression
1		xrneq12d.1	. 2 ⊢ (𝜑 → 𝐴 = 𝐵)
2		xrneq12d.2	. 2 ⊢ (𝜑 → 𝐶 = 𝐷)
3		xrneq12 37887	. 2 ⊢ ((𝐴 = 𝐵 ∧ 𝐶 = 𝐷) → (𝐴 ⋉ 𝐶) = (𝐵 ⋉ 𝐷))
4	1, 2, 3	syl2anc 582	1 ⊢ (𝜑 → (𝐴 ⋉ 𝐶) = (𝐵 ⋉ 𝐷))

Syntax hints:   → wi 4   = wceq 1533   ⋉ cxrn 37680

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-ext 2699

This theorem depends on definitions:  df-bi 206  df-an 395  df-tru 1536  df-ex 1774  df-sb 2060  df-clab 2706  df-cleq 2720  df-clel 2806  df-rab 3431  df-v 3475  df-in 3956  df-ss 3966  df-br 5153  df-opab 5215  df-co 5691  df-xrn 37875

This theorem is referenced by: (None)