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Theorem cosselrels 38913
Description: Cosets of sets are elements of the relations class. Implies (𝑅 ∈ Rels → ≀ 𝑅 ∈ Rels ). (Contributed by Peter Mazsa, 25-Aug-2021.)
Assertion
Ref Expression
cosselrels (𝐴𝑉 → ≀ 𝐴 ∈ Rels )

Proof of Theorem cosselrels
StepHypRef Expression
1 cossex 38847 . 2 (𝐴𝑉 → ≀ 𝐴 ∈ V)
2 relcoss 38851 . . 3 Rel ≀ 𝐴
3 elrelsrel 38780 . . 3 ( ≀ 𝐴 ∈ V → ( ≀ 𝐴 ∈ Rels ↔ Rel ≀ 𝐴))
42, 3mpbiri 258 . 2 ( ≀ 𝐴 ∈ V → ≀ 𝐴 ∈ Rels )
51, 4syl 17 1 (𝐴𝑉 → ≀ 𝐴 ∈ Rels )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2114  Vcvv 3430  Rel wrel 5630  ccoss 38521   Rels crels 38523
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-ext 2709  ax-sep 5232  ax-pow 5303  ax-pr 5371  ax-un 7683
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-sb 2069  df-clab 2716  df-cleq 2729  df-clel 2812  df-ral 3053  df-rex 3063  df-rab 3391  df-v 3432  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-br 5087  df-opab 5149  df-xp 5631  df-rel 5632  df-cnv 5633  df-co 5634  df-dm 5635  df-rn 5636  df-rels 38778  df-coss 38839
This theorem is referenced by:  cosscnvelrels  38915  dffunsALTV2  39107  dffunsALTV3  39108  dffunsALTV4  39109  elfunsALTV2  39116  elfunsALTV3  39117  elfunsALTV4  39118  elfunsALTV5  39119
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