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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. Commuted form of disjdif 4426. (Contributed by Thierry Arnoux, 29-Nov-2023.) |
| Ref | Expression |
|---|---|
| disjdifr | ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | disjdif 4426 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4157 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1570 ∖ cdif 3896 ∩ cin 3898 ∅c0 4279 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1828 ax-4 1842 ax-5 1943 ax-6 2000 ax-7 2041 ax-8 2147 ax-9 2155 ax-ext 2733 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1573 df-fal 1583 df-ex 1813 df-sb 2100 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3453 df-dif 3902 df-in 3906 df-ss 3916 df-nul 4280 |
| This theorem is used by: ssdifin0 4441 fvsnun1 7185 fveqf1o 7308 f1ofvswap 7312 ralxpmap 8917 difsnen 9071 domunsn 9139 limensuci 9165 pssnn 9177 marypha1lem 9418 dif1card 10082 ackbij1lem18 10307 canthp1lem1 10730 grothprim 10912 hashgval 14470 hashun3 14521 hashfun 14575 hashbclem 14590 setsfun 17342 setsfun0 17343 setsid 17378 mreexexlem4d 17814 pwssplit1 21327 islindf4 22137 selvvvval 22444 psdmul 22480 neitr 23491 regsep2 23687 restmetu 24882 volinun 25860 tdeglem4 26371 noetasuplem3 28085 noetasuplem4 28086 difeq 33107 disjdifprg 33162 tocycfvres1 33664 tocycfvres2 33665 cycpmfvlem 33666 cycpmfv3 33669 cycpmcl 33670 rprmdvdsprod 34059 evlextv 34167 measunl 34842 eulerpartlemt 34996 mthmpps 36326 cldbnd 37094 poimirlem15 38533 poimirlem16 38534 poimirlem19 38537 poimirlem27 38545 evlselvlem 43596 evlselv 43597 eldioph2lem1 43750 eldioph2lem2 43751 diophren 43799 kelac1 44049 isomenndlem 47509 seposep 50003 |
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