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Theorem eqvrelcoss 39164
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 39132 . 2 ( EqvRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅))
2 refrelcoss 39066 . . 3 RefRel ≀ 𝑅
3 symrelcoss 39107 . . 3 SymRel ≀ 𝑅
42, 3triantru3 38699 . 2 ( TrRel ≀ 𝑅 ↔ ( RefRel ≀ 𝑅 ∧ SymRel ≀ 𝑅 ∧ TrRel ≀ 𝑅))
51, 4bitr4i 280 1 ( EqvRel ≀ 𝑅 ↔ TrRel ≀ 𝑅)
Colors of variables: wff setvar class
Syntax hints:  wb 208  w3a 1097  ccoss 38646   RefRel wrefrel 38652   SymRel wsymrel 38658   TrRel wtrrel 38661   EqvRel weqvrel 38663
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1814  ax-4 1828  ax-5 1929  ax-6 1986  ax-7 2027  ax-8 2143  ax-9 2151  ax-11 2190  ax-ext 2733  ax-sep 5245  ax-pr 5389
This theorem depends on definitions:  df-bi 209  df-an 400  df-or 859  df-3an 1099  df-tru 1562  df-fal 1572  df-ex 1799  df-sb 2090  df-clab 2740  df-cleq 2753  df-clel 2836  df-ral 3076  df-rex 3086  df-rab 3414  df-v 3455  df-dif 3907  df-un 3909  df-in 3911  df-ss 3921  df-nul 4286  df-if 4480  df-sn 4582  df-pr 4584  df-op 4588  df-br 5100  df-opab 5162  df-id 5540  df-xp 5651  df-rel 5652  df-cnv 5653  df-co 5654  df-dm 5655  df-rn 5656  df-res 5657  df-coss 38964  df-refrel 39055  df-symrel 39087  df-eqvrel 39132
This theorem is referenced by: (None)
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