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

Theorem resexg 5103
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 5087 . 2 (𝐴𝐵) ⊆ 𝐴
2 ssexg 4272 . 2 (((𝐴𝐵) ⊆ 𝐴𝐴𝑉) → (𝐴𝐵) ∈ V)
31, 2mpan 428 1 (𝐴𝑉 → (𝐴𝐵) ∈ V)
Colors of variables:    wff set class
This proof depends on syntax axioms:  wi 4  wcel 2209  Vcvv 2821  wss 3220  cres 4776
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-ia1 106  ax-ia2 107  ax-ia3 108  ax-io 721  ax-5 1500  ax-7 1501  ax-gen 1502  ax-ie1 1546  ax-ie2 1547  ax-8 1557  ax-10 1558  ax-11 1559  ax-i12 1560  ax-bndl 1562  ax-4 1563  ax-17 1579  ax-i9 1583  ax-ial 1587  ax-i5r 1588  ax-ext 2220  ax-sep 4249
This proof depends on definitions:  df-bi 117  df-tru 1405  df-nf 1514  df-sb 1816  df-clab 2225  df-cleq 2231  df-clel 2234  df-nfc 2381  df-v 2823  df-in 3226  df-ss 3233  df-res 4786
This theorem is used by:  resex  5104  offres  6368  ressuppss  6494  resixp  7015  seqf1oglem2  10957  climres  12069  setsvalg  13382  setsex  13384  setsslid  13403  gzsumsplit1r  13715  znval  14971  znle  14972  znbaslemnn  14974  znleval  14988  uhgrspanop  16523  upgrspanop  16524  umgrspanop  16525  usgrspanop  16526  eupthvdres  16716  eupth2lem3fi  16717  eupth2lembfi  16718
  Copyright terms: Public domain W3C validator