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Theorem sbcied 3785
Description: Conversion of implicit substitution to explicit class substitution, deduction form. (Contributed by NM, 13-Dec-2014.) Avoid ax-10 2180, ax-12 2216. (Revised by GG, 12-Oct-2024.)
Hypotheses
Ref Expression
sbcied.1 (𝜑 → 𝐴 ∈ 𝑉)
sbcied.2 ((𝜑 ∧ 𝑥 = 𝐴) → (𝜓 ↔ 𝜒))
Assertion
Ref Expression
sbcied (𝜑 → ([𝐴 / 𝑥]𝜓 ↔ 𝜒))
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 3743 . 2 ([𝐴 / 𝑥]𝜓 ↔ 𝐴 ∈ {𝑥 ∣ 𝜓})
2 sbcied.1 . . 3 (𝜑 → 𝐴 ∈ 𝑉)
3 sbcied.2 . . 3 ((𝜑 ∧ 𝑥 = 𝐴) → (𝜓 ↔ 𝜒))
42, 3elabd3 3628 . 2 (𝜑 → (𝐴 ∈ {𝑥 ∣ 𝜓} ↔ 𝜒))
51, 4bitrid 286 1 (𝜑 → ([𝐴 / 𝑥]𝜓 ↔ 𝜒))
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ↔ wb 209   ∧ wa 401   = wceq 1570   ∈ wcel 2147  {cab 2741  [wsbc 3742
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 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-ext 2735
This proof depends on definitions:  df-bi 210  df-an 402  df-tru 1573  df-ex 1813  df-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-sbc 3743
This theorem is used by:  sbcied2  3786  sbc2ie  3818  sbc2iedv  3819  sbc3ie  3820  sbcralt  3823  csbied  3887  euotd  5493  fmptsnd  7205  riota5f  7436  mpof1o2d  8174  fpwwe2lem11  10765  fpwwe2lem12  10766  brfi1uzind  14694  opfi1uzind  14697  sbcie3s  17384  issubc  18060  gsumvalx  18915  dmdprd  20265  dprdval  20270  isomnd  20388  issrg  20465  issrng  21152  isorng  21169  islmhm  21353  isphl  21989  istmd  24448  istgp  24451  isnlm  25049  isclm  25440  iscph  25546  iscms  25721  limcfval  26247  ewlksfval  30239  sbcies  33183  abfmpeld  33346  abfmpel  33347  isedom  33953  rprmval  34152
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