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Theorem eqvrelcoss 36292
Description: Two ways to express equivalent cosets. (Contributed by Peter Mazsa, 4-Jul-2020.) (Revised by Peter Mazsa, 20-Dec-2021.)
Assertion
Ref Expression
eqvrelcoss ( EqvRel ≀ 𝑅 ↔ TrRel ≀ 𝑅)

Proof of Theorem eqvrelcoss
StepHypRef Expression
1 df-eqvrel 36260 . 2 ( EqvRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅))
2 refrelcoss 36202 . . 3 RefRel ≀ 𝑅
3 symrelcoss 36236 . . 3 SymRel ≀ 𝑅
42, 3triantru3 35940 . 2 ( TrRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅))
51, 4bitr4i 281 1 ( EqvRel ≀ 𝑅 ↔ TrRel ≀ 𝑅)
Colors of variables: wff setvar class
Syntax hints:  wb 209  w3a 1084  ccoss 35893   RefRel wrefrel 35899   SymRel wsymrel 35905   TrRel wtrrel 35908   EqvRel weqvrel 35910
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 1911  ax-6 1970  ax-7 2015  ax-8 2113  ax-9 2121  ax-10 2142  ax-11 2158  ax-12 2175  ax-ext 2729  ax-sep 5169  ax-nul 5176  ax-pr 5298
This theorem depends on definitions:  df-bi 210  df-an 400  df-or 845  df-3an 1086  df-tru 1541  df-fal 1551  df-ex 1782  df-nf 1786  df-sb 2070  df-clab 2736  df-cleq 2750  df-clel 2830  df-ral 3075  df-rex 3076  df-rab 3079  df-v 3411  df-dif 3861  df-un 3863  df-in 3865  df-ss 3875  df-nul 4226  df-if 4421  df-sn 4523  df-pr 4525  df-op 4529  df-br 5033  df-opab 5095  df-id 5430  df-xp 5530  df-rel 5531  df-cnv 5532  df-co 5533  df-dm 5534  df-rn 5535  df-res 5536  df-coss 36099  df-refrel 36192  df-symrel 36220  df-eqvrel 36260
This theorem is referenced by: (None)
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