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Theorem cosselrels 39284
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 39218 . 2 (𝐴𝑉 → ≀ 𝐴 ∈ V)
2 relcoss 39222 . . 3 Rel ≀ 𝐴
3 elrelsrel 39151 . . 3 ( ≀ 𝐴 ∈ V → ( ≀ 𝐴 ∈ Rels ↔ Rel ≀ 𝐴))
42, 3mpbiri 261 . 2 ( ≀ 𝐴 ∈ V → ≀ 𝐴 ∈ Rels )
51, 4syl 18 1 (𝐴𝑉 → ≀ 𝐴 ∈ Rels )
Colors of variables:    wff setvar class
This proof depends on syntax axioms:  wi 4  wcel 2146  Vcvv 3457  Rel wrel 5668  ccoss 38892   Rels crels 38894
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 1943  ax-6 2000  ax-7 2041  ax-8 2148  ax-9 2156  ax-ext 2737  ax-sep 5259  ax-pow 5338  ax-pr 5406  ax-un 7742
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 2100  df-clab 2744  df-cleq 2757  df-clel 2840  df-ral 3082  df-rex 3092  df-rab 3419  df-v 3459  df-dif 3909  df-un 3911  df-in 3913  df-ss 3923  df-nul 4287  df-if 4490  df-pw 4566  df-sn 4592  df-pr 4594  df-op 4598  df-uni 4875  df-br 5112  df-opab 5176  df-xp 5669  df-rel 5670  df-cnv 5671  df-co 5672  df-dm 5673  df-rn 5674  df-rels 39149  df-coss 39210
This theorem is used by:  cosscnvelrels  39286  dffunsALTV2  39478  dffunsALTV3  39479  dffunsALTV4  39480  elfunsALTV2  39487  elfunsALTV3  39488  elfunsALTV4  39489  elfunsALTV5  39490
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