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Theorem detid 38166
Description: The cosets by the identity relation are in equivalence relation if and only if the identity relation is disjoint. (Contributed by Peter Mazsa, 31-Dec-2021.)
Assertion
Ref Expression
detid ( Disj I ↔ EqvRel ≀ I )

Proof of Theorem detid
StepHypRef Expression
1 disjALTVid 38128 . 2 Disj I
21detlem 38156 1 ( Disj I ↔ EqvRel ≀ I )
Colors of variables: wff setvar class
Syntax hints:  wb 205   I cid 5564  ccoss 37546   EqvRel weqvrel 37563   Disj wdisjALTV 37580
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1789  ax-4 1803  ax-5 1905  ax-6 1963  ax-7 2003  ax-8 2100  ax-9 2108  ax-10 2129  ax-11 2146  ax-12 2163  ax-ext 2695  ax-sep 5290  ax-nul 5297  ax-pr 5418
This theorem depends on definitions:  df-bi 206  df-an 396  df-or 845  df-3an 1086  df-tru 1536  df-fal 1546  df-ex 1774  df-nf 1778  df-sb 2060  df-mo 2526  df-eu 2555  df-clab 2702  df-cleq 2716  df-clel 2802  df-nfc 2877  df-ral 3054  df-rex 3063  df-rab 3425  df-v 3468  df-dif 3944  df-un 3946  df-in 3948  df-ss 3958  df-nul 4316  df-if 4522  df-sn 4622  df-pr 4624  df-op 4628  df-br 5140  df-opab 5202  df-id 5565  df-xp 5673  df-rel 5674  df-cnv 5675  df-co 5676  df-dm 5677  df-rn 5678  df-res 5679  df-coss 37784  df-refrel 37885  df-cnvrefrel 37900  df-symrel 37917  df-trrel 37947  df-eqvrel 37958  df-disjALTV 38078
This theorem is referenced by: (None)
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