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

Theorem elrabd 2930
Description: Membership in a restricted class abstraction, using implicit substitution. Deduction version of elrab 2928. (Contributed by Glauco Siliprandi, 23-Oct-2021.)
Hypotheses
Ref Expression
elrabd.1 (𝑥 = 𝐴 → (𝜓𝜒))
elrabd.2 (𝜑𝐴𝐵)
elrabd.3 (𝜑𝜒)
Assertion
Ref Expression
elrabd (𝜑𝐴 ∈ {𝑥𝐵𝜓})
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝜒,𝑥
Allowed substitution hints:   𝜑(𝑥)   𝜓(𝑥)

Proof of Theorem elrabd
StepHypRef Expression
1 elrabd.2 . . 3 (𝜑𝐴𝐵)
2 elrabd.3 . . 3 (𝜑𝜒)
31, 2jca 306 . 2 (𝜑 → (𝐴𝐵𝜒))
4 elrabd.1 . . 3 (𝑥 = 𝐴 → (𝜓𝜒))
54elrab 2928 . 2 (𝐴 ∈ {𝑥𝐵𝜓} ↔ (𝐴𝐵𝜒))
63, 5sylibr 134 1 (𝜑𝐴 ∈ {𝑥𝐵𝜓})
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wb 105   = wceq 1372  wcel 2175  {crab 2487
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-io 710  ax-5 1469  ax-7 1470  ax-gen 1471  ax-ie1 1515  ax-ie2 1516  ax-8 1526  ax-10 1527  ax-11 1528  ax-i12 1529  ax-bndl 1531  ax-4 1532  ax-17 1548  ax-i9 1552  ax-ial 1556  ax-i5r 1557  ax-ext 2186
This theorem depends on definitions:  df-bi 117  df-tru 1375  df-nf 1483  df-sb 1785  df-clab 2191  df-cleq 2197  df-clel 2200  df-nfc 2336  df-rab 2492  df-v 2773
This theorem is referenced by:  ctssdccl  7195  suplocexprlemru  7814  suplocexprlemloc  7816  zsupssdc  10362  uzwodc  12277  nninfctlemfo  12280  lcmcllem  12308  lcmledvds  12311  phisum  12482  odzcllem  12484  pcpremul  12535  znnen  12688  ennnfonelemj0  12691  ennnfonelemg  12693  gsumress  13145  issubmd  13224  mhmeql  13242  ghmeql  13521  cdivcncfap  14994  cnopnap  15001  ivthinc  15033  limcdifap  15052  limcimolemlt  15054  dvcoapbr  15097  dvdsppwf1o  15379  2lgslem1b  15484  2omap  15796  subctctexmid  15801
  Copyright terms: Public domain W3C validator