Theorem ralrimivvva 2450

Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version with triple quantification.) (Contributed by Mario Carneiro, 9-Jul-2014.)

Hypothesis

Ref	Expression
ralrimivvva.1	⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐶)) → 𝜓)

Assertion

Ref	Expression
ralrimivvva	⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 ∀𝑧 ∈ 𝐶 𝜓)

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

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

Proof of Theorem ralrimivvva

Step	Hyp	Ref	Expression
1		ralrimivvva.1	. . . . 5 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐶)) → 𝜓)
2	1	3anassrs 1161	. . . 4 ⊢ ((((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑦 ∈ 𝐵) ∧ 𝑧 ∈ 𝐶) → 𝜓)
3	2	ralrimiva 2440	. . 3 ⊢ (((𝜑 ∧ 𝑥 ∈ 𝐴) ∧ 𝑦 ∈ 𝐵) → ∀𝑧 ∈ 𝐶 𝜓)
4	3	ralrimiva 2440	. 2 ⊢ ((𝜑 ∧ 𝑥 ∈ 𝐴) → ∀𝑦 ∈ 𝐵 ∀𝑧 ∈ 𝐶 𝜓)
5	4	ralrimiva 2440	1 ⊢ (𝜑 → ∀𝑥 ∈ 𝐴 ∀𝑦 ∈ 𝐵 ∀𝑧 ∈ 𝐶 𝜓)

Syntax hints:   → wi 4   ∧ wa 102   ∧ w3a 920   ∈ wcel 1434  ∀wral 2353

This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 104  ax-ia2 105  ax-ia3 106  ax-5 1377  ax-gen 1379  ax-4 1441  ax-17 1460

This theorem depends on definitions:  df-bi 115  df-3an 922  df-nf 1391  df-ral 2358

This theorem is referenced by:  ispod  4095  swopolem  4096  ordwe  4354  wessep  4356  isopolem  5540  caovassg  5738  caovcang  5741  caovordig  5745  caovordg  5747  caovdig  5754  caovdirg  5757  caoftrn  5815