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Theorem detid 38778
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 38740 . 2 Disj I
21detlem 38768 1 ( Disj I ↔ EqvRel ≀ I )
Colors of variables: wff setvar class
Syntax hints:  wb 206   I cid 5540  ccoss 38166   EqvRel weqvrel 38183   Disj wdisjALTV 38200
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1795  ax-4 1809  ax-5 1910  ax-6 1967  ax-7 2008  ax-8 2111  ax-9 2119  ax-10 2142  ax-11 2158  ax-12 2178  ax-ext 2702  ax-sep 5259  ax-nul 5269  ax-pr 5395
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 848  df-3an 1088  df-tru 1543  df-fal 1553  df-ex 1780  df-nf 1784  df-sb 2066  df-mo 2534  df-eu 2563  df-clab 2709  df-cleq 2722  df-clel 2804  df-nfc 2880  df-ral 3047  df-rex 3056  df-rab 3412  df-v 3457  df-dif 3925  df-un 3927  df-in 3929  df-ss 3939  df-nul 4305  df-if 4497  df-sn 4598  df-pr 4600  df-op 4604  df-br 5116  df-opab 5178  df-id 5541  df-xp 5652  df-rel 5653  df-cnv 5654  df-co 5655  df-dm 5656  df-rn 5657  df-res 5658  df-coss 38396  df-refrel 38497  df-cnvrefrel 38512  df-symrel 38529  df-trrel 38559  df-eqvrel 38570  df-disjALTV 38690
This theorem is referenced by: (None)
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