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Theorem wdomimag 9535
Description: A set is weakly dominant over its image under any function. (Contributed by Stefan O'Rear, 14-Feb-2015.) (Revised by Mario Carneiro, 25-Jun-2015.)
Assertion
Ref Expression
wdomimag ((Fun 𝐹𝐴𝑉) → (𝐹𝐴) ≼* 𝐴)

Proof of Theorem wdomimag
StepHypRef Expression
1 funimaexg 6608 . 2 ((Fun 𝐹𝐴𝑉) → (𝐹𝐴) ∈ V)
2 wdomima2g 9534 . 2 ((Fun 𝐹𝐴𝑉 ∧ (𝐹𝐴) ∈ V) → (𝐹𝐴) ≼* 𝐴)
31, 2mpd3an3 1483 1 ((Fun 𝐹𝐴𝑉) → (𝐹𝐴) ≼* 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 399  wcel 2142  Vcvv 3454   class class class wbr 5100  cima 5650  Fun wfun 6515  * cwdom 9512
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-10 2175  ax-11 2191  ax-12 2212  ax-ext 2734  ax-rep 5227  ax-sep 5246  ax-nul 5256  ax-pow 5322  ax-pr 5390  ax-un 7718
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-nf 1804  df-sb 2091  df-mo 2566  df-eu 2596  df-clab 2741  df-cleq 2754  df-clel 2837  df-nfc 2911  df-ne 2958  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-pw 4557  df-sn 4583  df-pr 4585  df-op 4589  df-uni 4866  df-br 5101  df-opab 5163  df-mpt 5182  df-id 5542  df-xp 5653  df-rel 5654  df-cnv 5655  df-co 5656  df-dm 5657  df-rn 5658  df-res 5659  df-ima 5660  df-fun 6523  df-fn 6524  df-f 6525  df-f1 6526  df-fo 6527  df-f1o 6528  df-en 8928  df-dom 8929  df-sdom 8930  df-wdom 9513
This theorem is referenced by:  hsmexlem4  10386
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