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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  10498  uzwodc  12609  nninfctlemfo  12612  lcmcllem  12640  lcmledvds  12643  phisum  12814  odzcllem  12816  pcpremul  12867  znnen  13020  ennnfonelemj0  13023  ennnfonelemg  13025  gsumress  13479  issubmd  13558  mhmeql  13576  ghmeql  13855  cdivcncfap  15330  cnopnap  15337  ivthinc  15369  limcdifap  15388  limcimolemlt  15390  dvcoapbr  15433  dvdsppwf1o  15715  2lgslem1b  15820  incistruhgr  15943  upgr1elem1  15973  umgr1een  15978  subgruhgredgdm  16123  subumgredg2en  16124  subupgr  16126  2omap  16597  subctctexmid  16604
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