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Theorem rspcedvd 2926
Description: Restricted existential specialization, using implicit substitution. Variant of rspcedv 2924. (Contributed by AV, 27-Nov-2019.)
Hypotheses
Ref Expression
rspcedvd.1 (𝜑𝐴𝐵)
rspcedvd.2 ((𝜑𝑥 = 𝐴) → (𝜓𝜒))
rspcedvd.3 (𝜑𝜒)
Assertion
Ref Expression
rspcedvd (𝜑 → ∃𝑥𝐵 𝜓)
Distinct variable groups:   𝑥,𝐴   𝑥,𝐵   𝜑,𝑥   𝜒,𝑥
Allowed substitution hint:   𝜓(𝑥)

Proof of Theorem rspcedvd
StepHypRef Expression
1 rspcedvd.3 . 2 (𝜑𝜒)
2 rspcedvd.1 . . 3 (𝜑𝐴𝐵)
3 rspcedvd.2 . . 3 ((𝜑𝑥 = 𝐴) → (𝜓𝜒))
42, 3rspcedv 2924 . 2 (𝜑 → (𝜒 → ∃𝑥𝐵 𝜓))
51, 4mpd 13 1 (𝜑 → ∃𝑥𝐵 𝜓)
Colors of variables: wff set class
Syntax hints:  wi 4  wa 104  wb 105   = wceq 1398  wcel 2203  wrex 2521
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-ext 2214
This theorem depends on definitions:  df-bi 117  df-tru 1401  df-nf 1510  df-sb 1812  df-clab 2219  df-cleq 2225  df-clel 2228  df-nfc 2373  df-rex 2526  df-v 2814
This theorem is referenced by:  rspcime  2927  rspcedeq1vd  2929  rspcedeq2vd  2930  updjud  7372  elpq  9980  modqmuladd  10727  modqmuladdnn0  10729  modfzo0difsn  10756  wrdl1exs1  11313  negfi  11909  divconjdvds  12531  2tp1odd  12566  dfgcd2  12706  qredeu  12790  pw2dvdslemn  12858  dvdsprmpweq  13029  oddprmdvds  13048  gsumfzval  13596  gsumval2  13602  isnsgrp  13611  dfgrp2  13732  grplrinv  13762  grpidinv  13764  dfgrp3m  13804  ringid  14162  xmettx  15367  gausslemma2dlem1a  15923  2lgslem1b  15954  usgredg4  16202  wlkvtxiedg  16332  wlkvtxiedgg  16333  umgr2cwwkdifex  16412  bj-charfunbi  16573
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