Theorem sbcieg 3468

Description: Conversion of implicit substitution to explicit class substitution. (Contributed by NM, 10-Nov-2005.)

Hypothesis

Ref	Expression
sbcieg.1	⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓))

Assertion

Ref	Expression
sbcieg	⊢ (𝐴 ∈ 𝑉 → ([𝐴 / 𝑥]𝜑 ↔ 𝜓))

Distinct variable groups:   𝑥,𝐴   𝜓,𝑥

Allowed substitution hints:   𝜑(𝑥)   𝑉(𝑥)

Proof of Theorem sbcieg

Step	Hyp	Ref	Expression
1		nfv 1843	. 2 ⊢ Ⅎ𝑥𝜓
2		sbcieg.1	. 2 ⊢ (𝑥 = 𝐴 → (𝜑 ↔ 𝜓))
3	1, 2	sbciegf 3467	1 ⊢ (𝐴 ∈ 𝑉 → ([𝐴 / 𝑥]𝜑 ↔ 𝜓))

Syntax hints:   → wi 4   ↔ wb 196   = wceq 1483   ∈ wcel 1990  [wsbc 3435

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-9 1999  ax-10 2019  ax-12 2047  ax-13 2246  ax-ext 2602

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-clab 2609  df-cleq 2615  df-clel 2618  df-v 3202  df-sbc 3436

This theorem is referenced by:  sbcie  3470  ralsng  4218  rexsng  4219  rabsnif  4258  ralrnmpt  6368  fpwwe2lem3  9455  nn1suc  11041  opfi1uzind  13283  mrcmndind  17366  fgcl  21682  cfinfil  21697  csdfil  21698  supfil  21699  fin1aufil  21736  ifeqeqx  29361  nn0min  29567  bnj1452  31120  cdlemk35s  36225  cdlemk39s  36227  cdlemk42  36229  2nn0ind  37510  zindbi  37511  trsbcVD  39113  onfrALTlem5VD  39121