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Theorem cosselrels 38942
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 38876 . 2 (𝐴𝑉 → ≀ 𝐴 ∈ V)
2 relcoss 38880 . . 3 Rel ≀ 𝐴
3 elrelsrel 38809 . . 3 ( ≀ 𝐴 ∈ V → ( ≀ 𝐴 ∈ Rels ↔ Rel ≀ 𝐴))
42, 3mpbiri 259 . 2 ( ≀ 𝐴 ∈ V → ≀ 𝐴 ∈ Rels )
51, 4syl 17 1 (𝐴𝑉 → ≀ 𝐴 ∈ Rels )
Colors of variables: wff setvar class
Syntax hints:  wi 4  wcel 2119  Vcvv 3431  Rel wrel 5623  ccoss 38550   Rels crels 38552
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1802  ax-4 1816  ax-5 1917  ax-6 1974  ax-7 2015  ax-8 2121  ax-9 2129  ax-ext 2711  ax-sep 5218  ax-pow 5294  ax-pr 5362  ax-un 7678
This theorem depends on definitions:  df-bi 208  df-an 397  df-or 854  df-3an 1094  df-tru 1550  df-fal 1560  df-ex 1787  df-sb 2074  df-clab 2718  df-cleq 2731  df-clel 2814  df-ral 3054  df-rex 3064  df-rab 3392  df-v 3433  df-dif 3886  df-un 3888  df-in 3890  df-ss 3900  df-nul 4262  df-if 4455  df-pw 4531  df-sn 4556  df-pr 4558  df-op 4562  df-uni 4839  df-br 5073  df-opab 5135  df-xp 5624  df-rel 5625  df-cnv 5626  df-co 5627  df-dm 5628  df-rn 5629  df-rels 38807  df-coss 38868
This theorem is referenced by:  cosscnvelrels  38944  dffunsALTV2  39136  dffunsALTV3  39137  dffunsALTV4  39138  elfunsALTV2  39145  elfunsALTV3  39146  elfunsALTV4  39147  elfunsALTV5  39148
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