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Theorem rabeqbidv 2816
Description: Equality of restricted class abstractions. (Contributed by Jeff Madsen, 1-Dec-2009.)
Hypotheses
Ref Expression
rabeqbidv.1 (𝜑𝐴 = 𝐵)
rabeqbidv.2 (𝜑 → (𝜓𝜒))
Assertion
Ref Expression
rabeqbidv (𝜑 → {𝑥𝐴𝜓} = {𝑥𝐵𝜒})
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝜑,𝑥
Allowed substitution hints:   𝜓(𝑥)   𝜒(𝑥)

Proof of Theorem rabeqbidv
StepHypRef Expression
1 rabeqbidv.1 . . 3 (𝜑𝐴 = 𝐵)
2 rabeq 2813 . . 3 (𝐴 = 𝐵 → {𝑥𝐴𝜓} = {𝑥𝐵𝜓})
31, 2syl 14 . 2 (𝜑 → {𝑥𝐴𝜓} = {𝑥𝐵𝜓})
4 rabeqbidv.2 . . 3 (𝜑 → (𝜓𝜒))
54rabbidv 2810 . 2 (𝜑 → {𝑥𝐵𝜓} = {𝑥𝐵𝜒})
63, 5eqtrd 2271 1 (𝜑 → {𝑥𝐴𝜓} = {𝑥𝐵𝜒})
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wb 105   = wceq 1402  {crab 2532
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220
This proof depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-ral 2533  df-rab 2537
This theorem is used by:  elfvmptrab1  5801  elovmporab1w  6290  suppval  6477  mpoxopoveq  6511  supeq123d  7331  phival  13011  dfphi2  13018  gzsumress  13761  ismhm  13817  mhmex  13818  issubm  13828  issubg  14025  subgex  14028  isnsg  14054  dfrhm2  14510  isrim0  14517  issubrng  14556  issubrg  14578  rrgval  14619  lsssetm  14742  mplvalcoe  15130  cldval  15249  neifval  15290  cnfval  15344  cnpfval  15345  cnprcl2k  15356  hmeofvalg  15453  ispsmet  15473  ismet  15494  isxmet  15495  blfvalps  15535  cncfval  15722  vtxdgfval  16648  vtxdgop  16652  vtxdeqd  16656  clwwlkg  16753  clwwlkng  16765
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