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Theorem wdomimag 9468
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 6564 . 2 ((Fun 𝐹𝐴𝑉) → (𝐹𝐴) ∈ V)
2 wdomima2g 9467 . 2 ((Fun 𝐹𝐴𝑉 ∧ (𝐹𝐴) ∈ V) → (𝐹𝐴) ≼* 𝐴)
31, 2mpd3an3 1464 1 ((Fun 𝐹𝐴𝑉) → (𝐹𝐴) ≼* 𝐴)
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  wcel 2110  Vcvv 3434   class class class wbr 5089  cima 5617  Fun wfun 6471  * cwdom 9445
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1796  ax-4 1810  ax-5 1911  ax-6 1968  ax-7 2009  ax-8 2112  ax-9 2120  ax-10 2143  ax-11 2159  ax-12 2179  ax-ext 2702  ax-rep 5215  ax-sep 5232  ax-nul 5242  ax-pow 5301  ax-pr 5368  ax-un 7663
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1544  df-fal 1554  df-ex 1781  df-nf 1785  df-sb 2067  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2879  df-ne 2927  df-ral 3046  df-rex 3055  df-rab 3394  df-v 3436  df-dif 3903  df-un 3905  df-in 3907  df-ss 3917  df-nul 4282  df-if 4474  df-pw 4550  df-sn 4575  df-pr 4577  df-op 4581  df-uni 4858  df-br 5090  df-opab 5152  df-mpt 5171  df-id 5509  df-xp 5620  df-rel 5621  df-cnv 5622  df-co 5623  df-dm 5624  df-rn 5625  df-res 5626  df-ima 5627  df-fun 6479  df-fn 6480  df-f 6481  df-f1 6482  df-fo 6483  df-f1o 6484  df-en 8865  df-dom 8866  df-sdom 8867  df-wdom 9446
This theorem is referenced by:  hsmexlem4  10312
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