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Mirrors > Home > MPE Home > Th. List > Mathboxes > detinidres | Structured version Visualization version GIF version |
Description: The cosets by the intersection with the restricted identity relation are in equivalence relation if and only if the intersection with the restricted identity relation is disjoint. (Contributed by Peter Mazsa, 31-Dec-2021.) |
Ref | Expression |
---|---|
detinidres | ⊢ ( Disj (𝑅 ∩ ( I ↾ 𝐴)) ↔ EqvRel ≀ (𝑅 ∩ ( I ↾ 𝐴))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | disjALTVinidres 38715 | . 2 ⊢ Disj (𝑅 ∩ ( I ↾ 𝐴)) | |
2 | 1 | detlem 38741 | 1 ⊢ ( Disj (𝑅 ∩ ( I ↾ 𝐴)) ↔ EqvRel ≀ (𝑅 ∩ ( I ↾ 𝐴))) |
Colors of variables: wff setvar class |
Syntax hints: ↔ wb 206 ∩ cin 3975 I cid 5592 ↾ cres 5702 ≀ ccoss 38137 EqvRel weqvrel 38154 Disj wdisjALTV 38171 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1793 ax-4 1807 ax-5 1909 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2158 ax-12 2178 ax-ext 2711 ax-sep 5317 ax-nul 5324 ax-pr 5447 |
This theorem depends on definitions: df-bi 207 df-an 396 df-or 847 df-3an 1089 df-tru 1540 df-fal 1550 df-ex 1778 df-nf 1782 df-sb 2065 df-mo 2543 df-eu 2572 df-clab 2718 df-cleq 2732 df-clel 2819 df-nfc 2895 df-ral 3068 df-rex 3077 df-rab 3444 df-v 3490 df-dif 3979 df-un 3981 df-in 3983 df-ss 3993 df-nul 4353 df-if 4549 df-sn 4649 df-pr 4651 df-op 4655 df-br 5167 df-opab 5229 df-id 5593 df-xp 5706 df-rel 5707 df-cnv 5708 df-co 5709 df-dm 5710 df-rn 5711 df-res 5712 df-coss 38369 df-refrel 38470 df-cnvrefrel 38485 df-symrel 38502 df-trrel 38532 df-eqvrel 38543 df-funALTV 38640 df-disjALTV 38663 |
This theorem is referenced by: (None) |
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