HomeHome Metamath Proof Explorer < Previous   Next >
Related theorems
Unicode version

Theorem ssopab2i 2823
Description: Inference of ordered pair abstraction subclass from implication.
Hypothesis
Ref Expression
ssopab2i.1 |- (ph -> ps)
Assertion
Ref Expression
ssopab2i |- {<.x, y>. | ph} (_ {<.x, y>. | ps}
Distinct variable group:   x,y

Proof of Theorem ssopab2i
StepHypRef Expression
1 ssopab2 2822 . 2 |- ({<.x, y>. | ph} (_ {<.x, y>. | ps} <-> A.xA.y(ph -> ps))
2 ssopab2i.1 . . 3 |- (ph -> ps)
32ax-gen 963 . 2 |- A.y(ph -> ps)
41, 3mpgbir 988 1 |- {<.x, y>. | ph} (_ {<.x, y>. | ps}
Colors of variables: wff set class
Syntax hints:   -> wi 3  A.wal 954   (_ wss 2047  {copab 2666
This theorem is referenced by:  opabssxp 3234  relopab 3266  tz7.44-1 3928  tz7.44-2 3929  tz7.44-3 3930  ssoprab2i 4008  eloprabi 4118  aceq3 4733  dfef2 7307  infmap2lem2 7580  bcthlem15 8013  nvvcop 8213  ajfval 8469  cmpfun 10467  rcfpfil 10597  rcfpfilOLD 10598
This theorem was proved from axioms:  ax-1 4  ax-2 5  ax-3 6  ax-mp 7  ax-7 962  ax-gen 963  ax-8 964  ax-10 966  ax-11 967  ax-12 968  ax-13 969  ax-14 970  ax-17 971  ax-4 973  ax-5o 975  ax-6o 978  ax-9o 1123  ax-10o 1140  ax-16 1210  ax-11o 1218  ax-ext 1459  ax-sep 2703  ax-pow 2742  ax-pr 2779
This theorem depends on definitions:  df-bi 147  df-or 224  df-an 225  df-ex 981  df-sb 1172  df-eu 1382  df-mo 1383  df-clab 1464  df-cleq 1469  df-clel 1472  df-ne 1587  df-v 1812  df-dif 2049  df-un 2050  df-in 2051  df-ss 2053  df-nul 2281  df-pw 2402  df-sn 2412  df-pr 2413  df-op 2416  df-opab 2667
Copyright terms: Public domain