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

Theorem rnexg 5027
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 4565 . 2 (𝐴𝑉 𝐴 ∈ V)
2 uniexg 4565 . 2 ( 𝐴 ∈ V → 𝐴 ∈ V)
3 ssun2 3387 . . . 4 ran 𝐴 ⊆ (dom 𝐴 ∪ ran 𝐴)
4 dmrnssfld 5025 . . . 4 (dom 𝐴 ∪ ran 𝐴) ⊆ 𝐴
53, 4sstri 3251 . . 3 ran 𝐴 𝐴
6 ssexg 4254 . . 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 2205  Vcvv 2815  cun 3212  wss 3214   cuni 3919  dom cdm 4754  ran crn 4755
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 2207  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327  ax-un 4559
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-rex 2528  df-v 2817  df-un 3218  df-in 3220  df-ss 3227  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-uni 3920  df-br 4115  df-opab 4177  df-cnv 4762  df-dm 4764  df-rn 4765
This theorem is referenced by:  rnex  5030  imaexg  5120  xpexr2m  5209  elxp4  5255  elxp5  5256  cnvexg  5305  coexg  5312  fvexg  5694  cofunexg  6311  funrnex  6316  abrexexg  6320  2ndvalg  6350  tposexg  6502  iunon  6528  fopwdom  7102  djuexb  7348  shftfvalg  11528  ovshftex  11529  restval  13542  ptex  13561  imasex  13569  txvalex  15245  txval  15246  blbas  15424  xmettxlem  15500  xmettx  15501  edgvalg  16180  edgopval  16183  edgstruct  16185  usgrausgrien  16290  ausgrumgrien  16291  ausgrusgrien  16292
  Copyright terms: Public domain W3C validator