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Theorem ralrimivvva 2402
 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 ∧ (𝑥𝐴𝑦𝐵𝑧𝐶)) → 𝜓)
Assertion
Ref Expression
ralrimivvva (𝜑 → ∀𝑥𝐴𝑦𝐵𝑧𝐶 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
StepHypRef Expression
1 ralrimivvva.1 . . . . 5 ((𝜑 ∧ (𝑥𝐴𝑦𝐵𝑧𝐶)) → 𝜓)
213anassrs 1126 . . . 4 ((((𝜑𝑥𝐴) ∧ 𝑦𝐵) ∧ 𝑧𝐶) → 𝜓)
32ralrimiva 2392 . . 3 (((𝜑𝑥𝐴) ∧ 𝑦𝐵) → ∀𝑧𝐶 𝜓)
43ralrimiva 2392 . 2 ((𝜑𝑥𝐴) → ∀𝑦𝐵𝑧𝐶 𝜓)
54ralrimiva 2392 1 (𝜑 → ∀𝑥𝐴𝑦𝐵𝑧𝐶 𝜓)
 Colors of variables: wff set class Syntax hints:   → wi 4   ∧ wa 97   ∧ w3a 885   ∈ wcel 1393  ∀wral 2306 This theorem was proved from axioms:  ax-1 5  ax-2 6  ax-mp 7  ax-ia1 99  ax-ia2 100  ax-ia3 101  ax-5 1336  ax-gen 1338  ax-4 1400  ax-17 1419 This theorem depends on definitions:  df-bi 110  df-3an 887  df-nf 1350  df-ral 2311 This theorem is referenced by:  ispod  4041  swopolem  4042  ordwe  4300  wessep  4302  isopolem  5461  caovassg  5659  caovcang  5662  caovordig  5666  caovordg  5668  caovdig  5675  caovdirg  5678  caoftrn  5736
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