ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  ralrimivvva Unicode version

Theorem ralrimivvva 2613
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  |-  ( (
ph  /\  ( x  e.  A  /\  y  e.  B  /\  z  e.  C ) )  ->  ps )
Assertion
Ref Expression
ralrimivvva  |-  ( ph  ->  A. x  e.  A  A. y  e.  B  A. z  e.  C  ps )
Distinct variable groups:    ph, x, y, z    y, A, z   
z, B
Allowed substitution hints:    ps( x, y, z)    A( x)    B( x, y)    C( x, y, z)

Proof of Theorem ralrimivvva
StepHypRef Expression
1 ralrimivvva.1 . . . . 5  |-  ( (
ph  /\  ( x  e.  A  /\  y  e.  B  /\  z  e.  C ) )  ->  ps )
213anassrs 1253 . . . 4  |-  ( ( ( ( ph  /\  x  e.  A )  /\  y  e.  B
)  /\  z  e.  C )  ->  ps )
32ralrimiva 2603 . . 3  |-  ( ( ( ph  /\  x  e.  A )  /\  y  e.  B )  ->  A. z  e.  C  ps )
43ralrimiva 2603 . 2  |-  ( (
ph  /\  x  e.  A )  ->  A. y  e.  B  A. z  e.  C  ps )
54ralrimiva 2603 1  |-  ( ph  ->  A. x  e.  A  A. y  e.  B  A. z  e.  C  ps )
Colors of variables: wff set class
Syntax hints:    -> wi 4    /\ wa 104    /\ w3a 1002    e. wcel 2200   A.wral 2508
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 1493  ax-gen 1495  ax-4 1556  ax-17 1572
This theorem depends on definitions:  df-bi 117  df-3an 1004  df-nf 1507  df-ral 2513
This theorem is referenced by:  ispod  4399  swopolem  4400  ordwe  4672  wessep  4674  isopolem  5958  caovassg  6176  caovcang  6179  caovordig  6183  caovordg  6185  caovdig  6192  caovdirg  6195  caoftrn  6263  netap  7463  2omotaplemap  7466  isrngd  13956  isringd  14044  aprap  14290  islmodd  14297  rnglidlmsgrp  14501  rnglidlrng  14502
  Copyright terms: Public domain W3C validator