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Theorem sbcied 3782
Description: Conversion of implicit substitution to explicit class substitution, deduction form. (Contributed by NM, 13-Dec-2014.) Avoid ax-10 2178, ax-12 2213. (Revised by GG, 12-Oct-2024.)
Hypotheses
Ref Expression
sbcied.1 (𝜑𝐴𝑉)
sbcied.2 ((𝜑𝑥 = 𝐴) → (𝜓𝜒))
Assertion
Ref Expression
sbcied (𝜑 → ([𝐴 / 𝑥]𝜓𝜒))
Distinct variable groups:   𝑥,𝐴   𝜑,𝑥   𝜒,𝑥
Allowed substitution hints:   𝜓(𝑥)   𝑉(𝑥)

Proof of Theorem sbcied
StepHypRef Expression
1 df-sbc 3740 . 2 ([𝐴 / 𝑥]𝜓𝐴 ∈ {𝑥𝜓})
2 sbcied.1 . . 3 (𝜑𝐴𝑉)
3 sbcied.2 . . 3 ((𝜑𝑥 = 𝐴) → (𝜓𝜒))
42, 3elabd3 3625 . 2 (𝜑 → (𝐴 ∈ {𝑥𝜓} ↔ 𝜒))
51, 4bitrid 286 1 (𝜑 → ([𝐴 / 𝑥]𝜓𝜒))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wb 209  wa 401   = wceq 1570  wcel 2145  {cab 2738  [wsbc 3739
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1943  ax-6 2000  ax-7 2041  ax-8 2147  ax-9 2155  ax-ext 2732
This proof depends on definitions:  df-bi 210  df-an 402  df-tru 1573  df-ex 1813  df-sb 2100  df-clab 2739  df-cleq 2752  df-clel 2835  df-sbc 3740
This theorem is used by:  sbcied2  3783  sbc2ie  3814  sbc2iedv  3815  sbc3ie  3816  sbcralt  3819  csbied  3883  euotd  5490  fmptsnd  7167  riota5f  7398  mpof1o2d  8123  fpwwe2lem11  10650  fpwwe2lem12  10651  brfi1uzind  14573  opfi1uzind  14576  sbcie3s  17254  issubc  17924  gsumvalx  18778  dmdprd  20127  dprdval  20132  isomnd  20250  issrg  20327  issrng  21010  isorng  21027  islmhm  21211  isphl  21841  istmd  24300  istgp  24303  isnlm  24901  isclm  25292  iscph  25398  iscms  25573  limcfval  26099  ewlksfval  30061  sbcies  32963  abfmpeld  33127  abfmpel  33128  rprmval  33926
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