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Theorem ralrimivv 2614
Description: Inference from Theorem 19.21 of [Margaris] p. 90. (Restricted quantifier version with double quantification.) (Contributed by NM, 24-Jul-2004.)
Hypothesis
Ref Expression
ralrimivv.1 (𝜑 → ((𝑥𝐴𝑦𝐵) → 𝜓))
Assertion
Ref Expression
ralrimivv (𝜑 → ∀𝑥𝐴𝑦𝐵 𝜓)
Distinct variable groups:   𝑥,𝑦,𝜑   𝑦,𝐴
Allowed substitution hints:   𝜓(𝑥,𝑦)   𝐴(𝑥)   𝐵(𝑥,𝑦)

Proof of Theorem ralrimivv
StepHypRef Expression
1 ralrimivv.1 . . . 4 (𝜑 → ((𝑥𝐴𝑦𝐵) → 𝜓))
21expd 258 . . 3 (𝜑 → (𝑥𝐴 → (𝑦𝐵𝜓)))
32ralrimdv 2612 . 2 (𝜑 → (𝑥𝐴 → ∀𝑦𝐵 𝜓))
43ralrimiv 2605 1 (𝜑 → ∀𝑥𝐴𝑦𝐵 𝜓)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wcel 2202  wral 2511
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-5 1496  ax-gen 1498  ax-4 1559  ax-17 1575
This theorem depends on definitions:  df-bi 117  df-nf 1510  df-ral 2516
This theorem is referenced by:  ralrimivva  2615  ralrimdvv  2617  reuind  3012  ssrel2  4822  f1o2ndf1  6402  smoiso  6511  nndifsnid  6718  receuap  8908  lbreu  9184  0subm  13647  insubm  13648  iscmnd  13965  quscrng  14629  tgcl  14875  topbas  14878  epttop  14901  restbasg  14979  txbas  15069  txbasval  15078  blfps  15220  blf  15221  blbas  15244
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