Theorem relopabvOLD

Description: Obsolete version of relopab as of 26-Oct-2026. (Contributed by SN, 8-Sep-2024) (Proof modification is discouraged.) (New usage is discouraged.)

	Ref	Expression
Assertion	relopabvOLD	⊢ Rel { ⟨ 𝑥 , 𝑦 ⟩ ∣ 𝜑 }

Proof

Step	Hyp	Ref	Expression
1		eqid	⊢ { ⟨ 𝑥 , 𝑦 ⟩ ∣ 𝜑 } = { ⟨ 𝑥 , 𝑦 ⟩ ∣ 𝜑 }
2	1	relopabiv	⊢ Rel { ⟨ 𝑥 , 𝑦 ⟩ ∣ 𝜑 }