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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 4412 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4151 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1542 ∖ cdif 3886 ∩ cin 3888 ∅c0 4273 |
| 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 2708 |
| 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 2715 df-cleq 2728 df-clel 2811 df-rab 3390 df-v 3431 df-dif 3892 df-in 3896 df-ss 3906 df-nul 4274 |
| This theorem is referenced by: ssdifin0 4425 fvsnun1 7137 fveqf1o 7257 f1ofvswap 7261 ralxpmap 8844 difsnen 8997 domunsn 9065 limensuci 9091 pssnn 9103 marypha1lem 9346 dif1card 9932 ackbij1lem18 10158 canthp1lem1 10575 grothprim 10757 hashgval 14295 hashun3 14346 hashfun 14399 hashbclem 14414 setsfun 17141 setsfun0 17142 setsid 17177 mreexexlem4d 17613 pwssplit1 21054 islindf4 21818 psdmul 22132 neitr 23145 regsep2 23341 restmetu 24535 volinun 25513 tdeglem4 26025 noetasuplem3 27699 noetasuplem4 27700 difeq 32588 disjdifprg 32645 tocycfvres1 33171 tocycfvres2 33172 cycpmfvlem 33173 cycpmfv3 33176 cycpmcl 33177 rprmdvdsprod 33594 evlextv 33686 esplyind 33719 measunl 34360 eulerpartlemt 34515 mthmpps 35764 cldbnd 36508 poimirlem15 37956 poimirlem16 37957 poimirlem19 37960 poimirlem27 37968 selvvvval 43018 evlselvlem 43019 evlselv 43020 eldioph2lem1 43192 eldioph2lem2 43193 diophren 43241 kelac1 43491 isomenndlem 46958 seposep 49401 |
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