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Theorem inex1g 4220
Description: Closed-form, generalized Separation Scheme. (Contributed by NM, 7-Apr-1995.)
Assertion
Ref Expression
inex1g (𝐴𝑉 → (𝐴𝐵) ∈ V)

Proof of Theorem inex1g
Dummy variable 𝑥 is distinct from all other variables.
StepHypRef Expression
1 ineq1 3398 . . 3 (𝑥 = 𝐴 → (𝑥𝐵) = (𝐴𝐵))
21eleq1d 2298 . 2 (𝑥 = 𝐴 → ((𝑥𝐵) ∈ V ↔ (𝐴𝐵) ∈ V))
3 vex 2802 . . 3 𝑥 ∈ V
43inex1 4218 . 2 (𝑥𝐵) ∈ V
52, 4vtoclg 2861 1 (𝐴𝑉 → (𝐴𝐵) ∈ V)
Colors of variables: wff set class
Syntax hints:  wi 4   = wceq 1395  wcel 2200  Vcvv 2799  cin 3196
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 714  ax-5 1493  ax-7 1494  ax-gen 1495  ax-ie1 1539  ax-ie2 1540  ax-8 1550  ax-10 1551  ax-11 1552  ax-i12 1553  ax-bndl 1555  ax-4 1556  ax-17 1572  ax-i9 1576  ax-ial 1580  ax-i5r 1581  ax-ext 2211  ax-sep 4202
This theorem depends on definitions:  df-bi 117  df-tru 1398  df-nf 1507  df-sb 1809  df-clab 2216  df-cleq 2222  df-clel 2225  df-nfc 2361  df-v 2801  df-in 3203
This theorem is referenced by:  onin  4477  dmresexg  5028  funimaexg  5405  offval  6232  offval3  6285  ssenen  7020  ressvalsets  13112  ressex  13113  ressbasd  13115  resseqnbasd  13121  ressinbasd  13122  ressressg  13123  qusin  13374  mgpress  13909  isunitd  14085  isrhm  14137  rhmfn  14151  rhmval  14152  2idlval  14481  2idlvalg  14482  eltg  14741  eltg3  14746  ntrval  14799  restco  14863  wlk1walkdom  16100
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