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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 4407 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4147 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1547 ∖ cdif 3887 ∩ cin 3889 ∅c0 4268 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1802 ax-4 1816 ax-5 1917 ax-6 1974 ax-7 2015 ax-8 2121 ax-9 2129 ax-ext 2712 |
| This theorem depends on definitions: df-bi 208 df-an 397 df-tru 1550 df-fal 1560 df-ex 1787 df-sb 2074 df-clab 2719 df-cleq 2732 df-clel 2815 df-rab 3393 df-v 3434 df-dif 3893 df-in 3897 df-ss 3907 df-nul 4269 |
| This theorem is referenced by: ssdifin0 4420 fvsnun1 7133 fveqf1o 7253 f1ofvswap 7257 ralxpmap 8841 difsnen 8994 domunsn 9062 limensuci 9088 pssnn 9100 marypha1lem 9343 dif1card 9930 ackbij1lem18 10156 canthp1lem1 10573 grothprim 10755 hashgval 14293 hashun3 14344 hashfun 14397 hashbclem 14412 setsfun 17139 setsfun0 17140 setsid 17175 mreexexlem4d 17611 pwssplit1 21056 islindf4 21820 selvvvval 22125 psdmul 22161 neitr 23170 regsep2 23366 restmetu 24560 volinun 25538 tdeglem4 26050 noetasuplem3 27724 noetasuplem4 27725 difeq 32613 disjdifprg 32671 tocycfvres1 33198 tocycfvres2 33199 cycpmfvlem 33200 cycpmfv3 33203 cycpmcl 33204 rprmdvdsprod 33624 evlextv 33733 esplyind 33766 measunl 34407 eulerpartlemt 34562 mthmpps 35817 cldbnd 36561 poimirlem15 38009 poimirlem16 38010 poimirlem19 38013 poimirlem27 38021 evlselvlem 43045 evlselv 43046 eldioph2lem1 43216 eldioph2lem2 43217 diophren 43265 kelac1 43515 isomenndlem 46980 seposep 49423 |
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