Theorem ralimdvvOLD 3217

Description: Obsolete version of ralimdvv 3216 as of 18-Nov-2025. (Contributed by Scott Fenton, 2-Mar-2025.) (New usage is discouraged.) (Proof modification is discouraged.)

Hypothesis

Ref	Expression
ralimdvvOLD.1	⊢ (𝜑 → (𝜓 → 𝜒))

Assertion

Ref	Expression
ralimdvvOLD	⊢ (𝜑 → (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜒))

Distinct variable groups:   𝑦,𝐴   𝑥,𝑦,𝜑

Allowed substitution hints:   𝜓(𝑥, 𝑦)   𝜒(𝑥, 𝑦)   𝐴(𝑥)   𝐵(𝑥, 𝑦)

Proof of Theorem ralimdvvOLD

Step	Hyp	Ref	Expression
1		ralimdvvOLD.1	. . 3 ⊢ (𝜑 → (𝜓 → 𝜒))
2	1	adantr 486	. 2 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵)) → (𝜓 → 𝜒))
3	2	ralimdvva 3214	1 ⊢ (𝜑 → (∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜓 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 𝜒))

This proof depends on syntax axioms:   → wi 4   ∧ wa 401   ∈ wcel 2146  ∀wral 3081

This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943

This proof depends on definitions:  df-bi 210  df-an 402  df-ral 3082

This theorem is used by:  ralimd4vOLD  3219  ralimd6vOLD  3221