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Theorem 0dom 9079
Description: Any set dominates the empty set. (Contributed by NM, 26-Oct-2003.) (Revised by Mario Carneiro, 26-Apr-2015.)
Hypothesis
Ref Expression
0sdom.1 𝐴 ∈ V
Assertion
Ref Expression
0dom ∅ ≼ 𝐴

Proof of Theorem 0dom
StepHypRef Expression
1 0sdom.1 . 2 𝐴 ∈ V
2 0domg 9076 . 2 (𝐴 ∈ V → ∅ ≼ 𝐴)
31, 2ax-mp 5 1 ∅ ≼ 𝐴
Colors of variables: wff setvar class
Syntax hints:  wcel 2142  Vcvv 3454  c0 4285   class class class wbr 5100  cdom 8925
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1815  ax-4 1829  ax-5 1930  ax-6 1987  ax-7 2028  ax-8 2144  ax-9 2152  ax-ext 2734  ax-sep 5246  ax-nul 5256  ax-pr 5390
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1100  df-tru 1563  df-fal 1573  df-ex 1800  df-sb 2091  df-mo 2566  df-clab 2741  df-cleq 2754  df-clel 2837  df-ral 3077  df-rex 3087  df-rab 3415  df-v 3456  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4481  df-sn 4583  df-pr 4585  df-op 4589  df-br 5101  df-opab 5163  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-rn 5658  df-fun 6523  df-fn 6524  df-f 6525  df-f1 6526  df-dom 8929
This theorem is referenced by:  domunsn  9099  mapdom1  9114  mapdom2  9120  fodomfi  9256  marypha1lem  9379  card2inf  9503  iunfictbso  10070  konigthlem  10526  cctop  23066  ovol0  25555  fvconstdomi  49513
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