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Theorem rspcedvd 2916
Description: Restricted existential specialization, using implicit substitution. Variant of rspcedv 2914. (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 2914 . 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 1397  wcel 2202  wrex 2511
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-rex 2516  df-v 2804
This theorem is referenced by:  rspcime  2917  rspcedeq1vd  2919  rspcedeq2vd  2920  updjud  7281  elpq  9883  modqmuladd  10629  modqmuladdnn0  10631  modfzo0difsn  10658  wrdl1exs1  11210  negfi  11793  divconjdvds  12415  2tp1odd  12450  dfgcd2  12590  qredeu  12674  pw2dvdslemn  12742  dvdsprmpweq  12913  oddprmdvds  12932  gsumfzval  13479  gsumval2  13485  isnsgrp  13494  dfgrp2  13615  grplrinv  13645  grpidinv  13647  dfgrp3m  13687  ringid  14045  xmettx  15240  gausslemma2dlem1a  15793  2lgslem1b  15824  usgredg4  16072  wlkvtxiedg  16202  wlkvtxiedgg  16203  umgr2cwwkdifex  16282  bj-charfunbi  16432
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