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| Mirrors > Home > MPE Home > Th. List > disjdifr | Structured version Visualization version GIF version | ||
| Description: A class and its relative complement are disjoint. (Contributed by Thierry Arnoux, 29-Nov-2023.) |
| Ref | Expression |
|---|---|
| disjdifr | ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | disjdif 4438 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4172 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1567 ∖ cdif 3910 ∩ cin 3912 ∅c0 4294 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1822 ax-4 1836 ax-5 1937 ax-6 1994 ax-7 2035 ax-8 2151 ax-9 2159 ax-ext 2741 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1570 df-fal 1580 df-ex 1807 df-sb 2098 df-clab 2748 df-cleq 2761 df-clel 2844 df-rab 3424 df-v 3465 df-dif 3916 df-in 3920 df-ss 3930 df-nul 4295 |
| This theorem is referenced by: ssdifin0 4451 fvsnun1 7181 fveqf1o 7301 f1ofvswap 7305 ralxpmap 8894 difsnen 9047 domunsn 9115 limensuci 9141 pssnn 9153 marypha1lem 9393 dif1card 9994 ackbij1lem18 10219 canthp1lem1 10637 grothprim 10819 hashgval 14369 hashun3 14420 hashfun 14474 hashbclem 14489 setsfun 17231 setsfun0 17232 setsid 17267 mreexexlem4d 17703 pwssplit1 21158 islindf4 21957 selvvvval 22262 psdmul 22298 neitr 23306 regsep2 23502 restmetu 24696 volinun 25674 tdeglem4 26186 noetasuplem3 27865 noetasuplem4 27866 difeq 32805 disjdifprg 32861 tocycfvres1 33371 tocycfvres2 33372 cycpmfvlem 33373 cycpmfv3 33376 cycpmcl 33377 rprmdvdsprod 33769 evlextv 33877 measunl 34551 eulerpartlemt 34706 mthmpps 35973 cldbnd 36726 poimirlem15 38174 poimirlem16 38175 poimirlem19 38178 poimirlem27 38186 evlselvlem 43212 evlselv 43213 eldioph2lem1 43383 eldioph2lem2 43384 diophren 43432 kelac1 43682 isomenndlem 47136 seposep 49589 |
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