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

Theorem rnexg 5003
Description: The range of a set is a set. Corollary 6.8(3) of [TakeutiZaring] p. 26. Similar to Lemma 3D of [Enderton] p. 41. (Contributed by NM, 31-Mar-1995.)
Assertion
Ref Expression
rnexg (𝐴𝑉 → ran 𝐴 ∈ V)

Proof of Theorem rnexg
StepHypRef Expression
1 uniexg 4542 . 2 (𝐴𝑉 𝐴 ∈ V)
2 uniexg 4542 . 2 ( 𝐴 ∈ V → 𝐴 ∈ V)
3 ssun2 3373 . . . 4 ran 𝐴 ⊆ (dom 𝐴 ∪ ran 𝐴)
4 dmrnssfld 5001 . . . 4 (dom 𝐴 ∪ ran 𝐴) ⊆ 𝐴
53, 4sstri 3237 . . 3 ran 𝐴 𝐴
6 ssexg 4233 . . 3 ((ran 𝐴 𝐴 𝐴 ∈ V) → ran 𝐴 ∈ V)
75, 6mpan 424 . 2 ( 𝐴 ∈ V → ran 𝐴 ∈ V)
81, 2, 73syl 17 1 (𝐴𝑉 → ran 𝐴 ∈ V)
Colors of variables: wff set class
Syntax hints:  wi 4  wcel 2202  Vcvv 2803  cun 3199  wss 3201   cuni 3898  dom cdm 4731  ran crn 4732
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 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4212  ax-pow 4270  ax-pr 4305  ax-un 4536
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2364  df-rex 2517  df-v 2805  df-un 3205  df-in 3207  df-ss 3214  df-pw 3658  df-sn 3679  df-pr 3680  df-op 3682  df-uni 3899  df-br 4094  df-opab 4156  df-cnv 4739  df-dm 4741  df-rn 4742
This theorem is referenced by:  rnex  5006  imaexg  5096  xpexr2m  5185  elxp4  5231  elxp5  5232  cnvexg  5281  coexg  5288  fvexg  5667  cofunexg  6280  funrnex  6285  abrexexg  6289  2ndvalg  6315  tposexg  6467  iunon  6493  fopwdom  7065  djuexb  7286  shftfvalg  11441  ovshftex  11442  restval  13391  ptex  13410  imasex  13451  txvalex  15048  txval  15049  blbas  15227  xmettxlem  15303  xmettx  15304  edgvalg  15983  edgopval  15986  edgstruct  15988  usgrausgrien  16093  ausgrumgrien  16094  ausgrusgrien  16095
  Copyright terms: Public domain W3C validator