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Theorem imanonrel 44702
Description: An image under the non-relation part of a class is empty. (Contributed by RP, 22-Oct-2020.)
Assertion
Ref Expression
imanonrel ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ∅

Proof of Theorem imanonrel
StepHypRef Expression
1 df-ima 5664 . 2 ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵)
2 resnonrel 44701 . . 3 ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ∅
32rneqi 5920 . 2 ran ((𝐴 ∖ ◡◡𝐴) ↾ 𝐵) = ran ∅
4 rn0 5909 . 2 ran ∅ = ∅
51, 3, 43eqtri 2787 1 ((𝐴 ∖ ◡◡𝐴) “ 𝐵) = ∅
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1569   ∖ cdif 4044  ∅c0 4277  ◡ccnv 5650  ran crn 5652   ↾ cres 5653   “ cima 5654
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1827  ax-4 1841  ax-5 1942  ax-6 1999  ax-7 2040  ax-8 2146  ax-9 2154  ax-ext 2732  ax-sep 5248  ax-pr 5391
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1572  df-fal 1582  df-ex 1812  df-sb 2099  df-clab 2739  df-cleq 2752  df-clel 2835  df-rab 3413  df-v 3452  df-ss 3897  df-dif 4046  df-in 4090  df-un 4150  df-nul 4278  df-if 4482  df-sn 4585  df-pr 4587  df-op 4835  df-br 5103  df-opab 5167  df-xp 5657  df-rel 5658  df-cnv 5659  df-dm 5661  df-rn 5662  df-res 5663  df-ima 5664
This theorem is used by: (None)
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