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| Mirrors > Home > MPE Home > Th. List > Mathboxes > det0 | Structured version Visualization version GIF version | ||
| Description: The cosets by the null class are in equivalence relation if and only if the null class is disjoint (which it is, see disjALTV0 39481). (Contributed by Peter Mazsa, 31-Dec-2021.) |
| Ref | Expression |
|---|---|
| det0 | ⊢ ( Disj ∅ ↔ EqvRel ≀ ∅) |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | disjALTV0 39481 | . 2 ⊢ Disj ∅ | |
| 2 | 1 | detlem 39513 | 1 ⊢ ( Disj ∅ ↔ EqvRel ≀ ∅) |
| Colors of variables: wff setvar class |
| Syntax hints: ↔ wb 209 ∅c0 4287 ≀ ccoss 38810 EqvRel weqvrel 38827 Disj wdisjALTV 38846 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1825 ax-4 1839 ax-5 1940 ax-6 1997 ax-7 2038 ax-8 2145 ax-9 2153 ax-10 2176 ax-11 2192 ax-12 2213 ax-ext 2735 ax-sep 5258 ax-pr 5406 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-or 861 df-3an 1105 df-tru 1573 df-fal 1583 df-ex 1810 df-nf 1814 df-sb 2097 df-mo 2567 df-eu 2597 df-clab 2742 df-cleq 2755 df-clel 2838 df-nfc 2912 df-ral 3080 df-rex 3090 df-rab 3417 df-v 3457 df-dif 3909 df-un 3911 df-in 3913 df-ss 3923 df-nul 4288 df-if 4489 df-sn 4591 df-pr 4593 df-op 4597 df-br 5111 df-opab 5175 df-id 5558 df-xp 5669 df-rel 5670 df-cnv 5671 df-co 5672 df-dm 5673 df-rn 5674 df-res 5675 df-coss 39128 df-refrel 39219 df-cnvrefrel 39234 df-symrel 39251 df-trrel 39285 df-eqvrel 39296 df-disjALTV 39417 |
| This theorem is referenced by: (None) |
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