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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 4429 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4166 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1563 ∖ cdif 3904 ∩ cin 3906 ∅c0 4288 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1818 ax-4 1832 ax-5 1933 ax-6 1990 ax-7 2031 ax-8 2147 ax-9 2155 ax-ext 2737 |
| This theorem depends on definitions: df-bi 210 df-an 401 df-tru 1566 df-fal 1576 df-ex 1803 df-sb 2094 df-clab 2744 df-cleq 2757 df-clel 2840 df-rab 3418 df-v 3459 df-dif 3910 df-in 3914 df-ss 3924 df-nul 4289 |
| This theorem is referenced by: ssdifin0 4442 fvsnun1 7170 fveqf1o 7290 f1ofvswap 7294 ralxpmap 8882 difsnen 9035 domunsn 9103 limensuci 9129 pssnn 9141 marypha1lem 9381 dif1card 9982 ackbij1lem18 10207 canthp1lem1 10625 grothprim 10807 hashgval 14357 hashun3 14408 hashfun 14462 hashbclem 14477 setsfun 17219 setsfun0 17220 setsid 17255 mreexexlem4d 17691 pwssplit1 21146 islindf4 21945 selvvvval 22250 psdmul 22286 neitr 23294 regsep2 23490 restmetu 24684 volinun 25662 tdeglem4 26174 noetasuplem3 27853 noetasuplem4 27854 difeq 32770 disjdifprg 32826 tocycfvres1 33338 tocycfvres2 33339 cycpmfvlem 33340 cycpmfv3 33343 cycpmcl 33344 rprmdvdsprod 33736 evlextv 33844 measunl 34518 eulerpartlemt 34673 mthmpps 35940 cldbnd 36694 poimirlem15 38141 poimirlem16 38142 poimirlem19 38145 poimirlem27 38153 evlselvlem 43177 evlselv 43178 eldioph2lem1 43348 eldioph2lem2 43349 diophren 43397 kelac1 43647 isomenndlem 47103 seposep 49556 |
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