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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 4413 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4152 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∖ cdif 3887 ∩ cin 3889 ∅c0 4274 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1797 ax-4 1811 ax-5 1912 ax-6 1969 ax-7 2010 ax-8 2116 ax-9 2124 ax-ext 2709 |
| This theorem depends on definitions: df-bi 207 df-an 396 df-tru 1545 df-fal 1555 df-ex 1782 df-sb 2069 df-clab 2716 df-cleq 2729 df-clel 2812 df-rab 3391 df-v 3432 df-dif 3893 df-in 3897 df-ss 3907 df-nul 4275 |
| This theorem is referenced by: ssdifin0 4426 fvsnun1 7130 fveqf1o 7250 f1ofvswap 7254 ralxpmap 8837 difsnen 8990 domunsn 9058 limensuci 9084 pssnn 9096 marypha1lem 9339 dif1card 9923 ackbij1lem18 10149 canthp1lem1 10566 grothprim 10748 hashgval 14286 hashun3 14337 hashfun 14390 hashbclem 14405 setsfun 17132 setsfun0 17133 setsid 17168 mreexexlem4d 17604 pwssplit1 21046 islindf4 21828 psdmul 22142 neitr 23155 regsep2 23351 restmetu 24545 volinun 25523 tdeglem4 26035 noetasuplem3 27713 noetasuplem4 27714 difeq 32603 disjdifprg 32660 tocycfvres1 33186 tocycfvres2 33187 cycpmfvlem 33188 cycpmfv3 33191 cycpmcl 33192 rprmdvdsprod 33609 evlextv 33701 esplyind 33734 measunl 34376 eulerpartlemt 34531 mthmpps 35780 cldbnd 36524 poimirlem15 37970 poimirlem16 37971 poimirlem19 37974 poimirlem27 37982 selvvvval 43032 evlselvlem 43033 evlselv 43034 eldioph2lem1 43206 eldioph2lem2 43207 diophren 43259 kelac1 43509 isomenndlem 46976 seposep 49413 |
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