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Theorem ima0 5126
Description: Image of the empty set. Theorem 3.16(ii) of [Monk1] p. 38. (Contributed by NM, 20-May-1998.)
Assertion
Ref Expression
ima0 (𝐴 “ ∅) = ∅

Proof of Theorem ima0
StepHypRef Expression
1 df-ima 4767 . 2 (𝐴 “ ∅) = ran (𝐴 ↾ ∅)
2 res0 5047 . . 3 (𝐴 ↾ ∅) = ∅
32rneqi 4990 . 2 ran (𝐴 ↾ ∅) = ran ∅
4 rn0 5018 . 2 ran ∅ = ∅
51, 3, 43eqtri 2259 1 (𝐴 “ ∅) = ∅
Colors of variables: wff set class
Syntax hints:   = wceq 1398  c0 3512  ran crn 4755  cres 4756  cima 4757
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-in1 619  ax-in2 620  ax-io 717  ax-5 1496  ax-7 1497  ax-gen 1498  ax-ie1 1542  ax-ie2 1543  ax-8 1553  ax-10 1554  ax-11 1555  ax-i12 1556  ax-bndl 1558  ax-4 1559  ax-17 1575  ax-i9 1579  ax-ial 1583  ax-i5r 1584  ax-14 2208  ax-ext 2216  ax-sep 4233  ax-pow 4292  ax-pr 4327
This theorem depends on definitions:  df-bi 117  df-3an 1007  df-tru 1401  df-fal 1404  df-nf 1510  df-sb 1812  df-eu 2085  df-mo 2086  df-clab 2221  df-cleq 2227  df-clel 2230  df-nfc 2375  df-v 2817  df-dif 3216  df-un 3218  df-in 3220  df-ss 3227  df-nul 3513  df-pw 3676  df-sn 3700  df-pr 3701  df-op 3703  df-br 4115  df-opab 4177  df-xp 4760  df-cnv 4762  df-dm 4764  df-rn 4765  df-res 4766  df-ima 4767
This theorem is referenced by:  supp0cosupp0fn  6480  fiintim  7204  fidcenumlemrk  7237  fidcenumlemr  7238  ennnfonelem1  13242  ennnfonelemhf1o  13248  eupth2lembfi  16584
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