ILE Home Intuitionistic Logic Explorer < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  ILE Home  >  Th. List  >  resexg GIF version

Theorem resexg 5053
Description: The restriction of a set is a set. (Contributed by NM, 28-Mar-1998.) (Proof shortened by Andrew Salmon, 27-Aug-2011.)
Assertion
Ref Expression
resexg (𝐴𝑉 → (𝐴𝐵) ∈ V)

Proof of Theorem resexg
StepHypRef Expression
1 resss 5037 . 2 (𝐴𝐵) ⊆ 𝐴
2 ssexg 4228 . 2 (((𝐴𝐵) ⊆ 𝐴𝐴𝑉) → (𝐴𝐵) ∈ V)
31, 2mpan 424 1 (𝐴𝑉 → (𝐴𝐵) ∈ V)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2202  Vcvv 2802  wss 3200  cres 4727
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  ax-sep 4207
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-v 2804  df-in 3206  df-ss 3213  df-res 4737
This theorem is referenced by:  resex  5054  offres  6296  resixp  6901  seqf1oglem2  10781  climres  11863  setsvalg  13111  setsex  13113  setsslid  13132  gsumsplit1r  13480  znval  14649  znle  14650  znbaslemnn  14652  znleval  14666  uhgrspanop  16132  upgrspanop  16133  umgrspanop  16134  usgrspanop  16135
  Copyright terms: Public domain W3C validator