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Theorem elrabd 2964
Description: Membership in a restricted class abstraction, using implicit substitution. Deduction version of elrab 2962. (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 2962 . 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 1397  wcel 2202  {crab 2514
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 716  ax-5 1495  ax-7 1496  ax-gen 1497  ax-ie1 1541  ax-ie2 1542  ax-8 1552  ax-10 1553  ax-11 1554  ax-i12 1555  ax-bndl 1557  ax-4 1558  ax-17 1574  ax-i9 1578  ax-ial 1582  ax-i5r 1583  ax-ext 2213
This theorem depends on definitions:  df-bi 117  df-tru 1400  df-nf 1509  df-sb 1811  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-rab 2519  df-v 2804
This theorem is referenced by:  ctssdccl  7310  suplocexprlemru  7939  suplocexprlemloc  7941  zsupssdc  10499  uzwodc  12613  nninfctlemfo  12616  lcmcllem  12644  lcmledvds  12647  phisum  12818  odzcllem  12820  pcpremul  12871  znnen  13024  ennnfonelemj0  13027  ennnfonelemg  13029  gsumress  13483  issubmd  13562  mhmeql  13580  ghmeql  13859  cdivcncfap  15334  cnopnap  15341  ivthinc  15373  limcdifap  15392  limcimolemlt  15394  dvcoapbr  15437  dvdsppwf1o  15719  2lgslem1b  15824  incistruhgr  15947  upgr1elem1  15977  umgr1een  15982  subgruhgredgdm  16127  subumgredg2en  16128  subupgr  16130  2omap  16620  subctctexmid  16627
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