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Theorem rnnonrel 44852
Description: The range of the non-relation part of a class is empty. (Contributed by RP, 22-Oct-2020.)
Assertion
Ref Expression
rnnonrel ran (𝐴 ∖ ◡◡𝐴) = ∅

Proof of Theorem rnnonrel
StepHypRef Expression
1 dmnonrel 44851 . 2 dom (𝐴 ∖ ◡◡𝐴) = ∅
2 dm0rn0 5918 . 2 (dom (𝐴 ∖ ◡◡𝐴) = ∅ ↔ ran (𝐴 ∖ ◡◡𝐴) = ∅)
31, 2mpbi 233 1 ran (𝐴 ∖ ◡◡𝐴) = ∅
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   = wceq 1570   ∖ cdif 4048  ∅c0 4281  ◡ccnv 5657  dom cdm 5658  ran crn 5659
This proof depends on axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1828  ax-4 1842  ax-5 1945  ax-6 2002  ax-7 2043  ax-8 2149  ax-9 2157  ax-ext 2735  ax-sep 5255  ax-pr 5398
This proof depends on definitions:  df-bi 210  df-an 402  df-or 862  df-3an 1105  df-tru 1573  df-fal 1583  df-ex 1813  df-sb 2102  df-clab 2742  df-cleq 2755  df-clel 2839  df-rab 3417  df-v 3456  df-ss 3901  df-dif 4050  df-in 4094  df-un 4154  df-nul 4282  df-if 4486  df-sn 4589  df-pr 4591  df-op 4841  df-br 5109  df-opab 5174  df-xp 5664  df-rel 5665  df-cnv 5666  df-dm 5668  df-rn 5669  df-res 5670
This theorem is used by:  fvnonrel  44858
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