Theorem imaex 7146

Description: The image of a set is a set. Theorem 3.17 of [Monk1] p. 39. (Contributed by JJ, 24-Sep-2021.)

Hypothesis

Ref	Expression
imaex.1	⊢ 𝐴 ∈ V

Assertion

Ref	Expression
imaex	⊢ (𝐴 “ 𝐵) ∈ V

Proof of Theorem imaex

Step	Hyp	Ref	Expression
1		imaex.1	. 2 ⊢ 𝐴 ∈ V
2		imaexg 7145	. 2 ⊢ (𝐴 ∈ V → (𝐴 “ 𝐵) ∈ V)
3	1, 2	ax-mp 5	1 ⊢ (𝐴 “ 𝐵) ∈ V

Syntax hints:   ∈ wcel 2030  Vcvv 3231   “ cima 5146

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1762  ax-4 1777  ax-5 1879  ax-6 1945  ax-7 1981  ax-8 2032  ax-9 2039  ax-10 2059  ax-11 2074  ax-12 2087  ax-13 2282  ax-ext 2631  ax-sep 4814  ax-nul 4822  ax-pr 4936  ax-un 6991

This theorem depends on definitions:  df-bi 197  df-or 384  df-an 385  df-3an 1056  df-tru 1526  df-ex 1745  df-nf 1750  df-sb 1938  df-eu 2502  df-mo 2503  df-clab 2638  df-cleq 2644  df-clel 2647  df-nfc 2782  df-ral 2946  df-rex 2947  df-rab 2950  df-v 3233  df-dif 3610  df-un 3612  df-in 3614  df-ss 3621  df-nul 3949  df-if 4120  df-sn 4211  df-pr 4213  df-op 4217  df-uni 4469  df-br 4686  df-opab 4746  df-xp 5149  df-cnv 5151  df-dm 5153  df-rn 5154  df-res 5155  df-ima 5156

This theorem is referenced by:  frxp  7332  pw2f1o  8106  ssenen  8175  fiint  8278  fissuni  8312  fipreima  8313  marypha1lem  8380  infxpenlem  8874  ackbij2lem2  9100  enfin2i  9181  fin1a2lem7  9266  fpwwe  9506  canthwelem  9510  tskuni  9643  isacs4lem  17215  gicsubgen  17767  gsumzaddlem  18367  isunit  18703  evpmss  19980  psgnevpmb  19981  ptbasfi  21432  hmphdis  21647  ustuqtop0  22091  utopsnneiplem  22098  neipcfilu  22147  nghmfval  22573  fta1glem2  23971  fta1blem  23973  lgsqrlem4  25119  legval  25524