Theorem rnexg 4997

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	⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V)

Proof of Theorem rnexg

Step	Hyp	Ref	Expression
1		uniexg 4536	. 2 ⊢ (𝐴 ∈ 𝑉 → ∪ 𝐴 ∈ V)
2		uniexg 4536	. 2 ⊢ (∪ 𝐴 ∈ V → ∪ ∪ 𝐴 ∈ V)
3		ssun2 3371	. . . 4 ⊢ ran 𝐴 ⊆ (dom 𝐴 ∪ ran 𝐴)
4		dmrnssfld 4995	. . . 4 ⊢ (dom 𝐴 ∪ ran 𝐴) ⊆ ∪ ∪ 𝐴
5	3, 4	sstri 3236	. . 3 ⊢ ran 𝐴 ⊆ ∪ ∪ 𝐴
6		ssexg 4228	. . 3 ⊢ ((ran 𝐴 ⊆ ∪ ∪ 𝐴 ∧ ∪ ∪ 𝐴 ∈ V) → ran 𝐴 ∈ V)
7	5, 6	mpan 424	. 2 ⊢ (∪ ∪ 𝐴 ∈ V → ran 𝐴 ∈ V)
8	1, 2, 7	3syl 17	1 ⊢ (𝐴 ∈ 𝑉 → ran 𝐴 ∈ V)

Syntax hints:   → wi 4   ∈ wcel 2202  Vcvv 2802   ∪ cun 3198   ⊆ wss 3200  ∪ cuni 3893  dom cdm 4725  ran crn 4726

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-13 2204  ax-14 2205  ax-ext 2213  ax-sep 4207  ax-pow 4264  ax-pr 4299  ax-un 4530

This theorem depends on definitions:  df-bi 117  df-3an 1006  df-tru 1400  df-nf 1509  df-sb 1811  df-eu 2082  df-mo 2083  df-clab 2218  df-cleq 2224  df-clel 2227  df-nfc 2363  df-rex 2516  df-v 2804  df-un 3204  df-in 3206  df-ss 3213  df-pw 3654  df-sn 3675  df-pr 3676  df-op 3678  df-uni 3894  df-br 4089  df-opab 4151  df-cnv 4733  df-dm 4735  df-rn 4736

This theorem is referenced by:  rnex  5000  imaexg  5090  xpexr2m  5178  elxp4  5224  elxp5  5225  cnvexg  5274  coexg  5281  fvexg  5658  cofunexg  6270  funrnex  6275  abrexexg  6279  2ndvalg  6305  tposexg  6423  iunon  6449  fopwdom  7021  djuexb  7242  shftfvalg  11378  ovshftex  11379  restval  13327  ptex  13346  imasex  13387  txvalex  14977  txval  14978  blbas  15156  xmettxlem  15232  xmettx  15233  edgvalg  15909  edgopval  15912  edgstruct  15914  usgrausgrien  16019  ausgrumgrien  16020  ausgrusgrien  16021