Users' Mathboxes Mathbox for Peter Mazsa < Previous   Next >
Nearby theorems
Mirrors  >  Home  >  MPE Home  >  Th. List  >   Mathboxes  >  cosselrels Structured version   Visualization version   GIF version

Theorem cosselrels 39773
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 (𝐴 ∈ 𝑉 → ≀ 𝐴 ∈ Rels )

Proof of Theorem cosselrels
StepHypRef Expression
1 cossex 39707 . 2 (𝐴 ∈ 𝑉 → ≀ 𝐴 ∈ V)
2 relcoss 39711 . . 3 Rel ≀ 𝐴
3 elrelsrel 39640 . . 3 ( ≀ 𝐴 ∈ V → ( ≀ 𝐴 ∈ Rels ↔ Rel ≀ 𝐴))
42, 3mpbiri 261 . 2 ( ≀ 𝐴 ∈ V → ≀ 𝐴 ∈ Rels )
51, 4syl 18 1 (𝐴 ∈ 𝑉 → ≀ 𝐴 ∈ Rels )
Colors of variables:    wff setvar class
This proof depends on syntax axioms:   → wi 4   ∈ wcel 2147  Vcvv 3454  Rel wrel 5663   ≀ ccoss 39381   Rels crels 39383
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-pow 5334  ax-pr 5398  ax-un 7783
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-ral 3081  df-rex 3091  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-pw 4562  df-sn 4589  df-pr 4591  df-op 4841  df-uni 4873  df-br 5109  df-opab 5174  df-xp 5664  df-rel 5665  df-cnv 5666  df-co 5667  df-dm 5668  df-rn 5669  df-rels 39638  df-coss 39699
This theorem is used by:  cosscnvelrels  39775  dffunsALTV2  39967  dffunsALTV3  39968  dffunsALTV4  39969  elfunsALTV2  39976  elfunsALTV3  39977  elfunsALTV4  39978  elfunsALTV5  39979
  Copyright terms: Public domain W3C validator