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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 4425. (Contributed by Thierry Arnoux, 29-Nov-2023.) |
| Ref | Expression |
|---|---|
| disjdifr | ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | disjdif 4425 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4108 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| This proof depends on syntax axioms: = wceq 1569 ∖ cdif 4045 ∩ cin 4089 ∅c0 4278 |
| This proof depends on axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1827 ax-4 1841 ax-5 1942 ax-6 1999 ax-7 2040 ax-8 2146 ax-9 2154 ax-ext 2732 |
| This proof depends on definitions: df-bi 210 df-an 402 df-tru 1572 df-fal 1582 df-ex 1812 df-sb 2099 df-clab 2739 df-cleq 2752 df-clel 2835 df-rab 3413 df-v 3452 df-ss 3896 df-dif 4047 df-in 4091 df-nul 4279 |
| This theorem is used by: ssdifin0 4440 fvsnun1 7188 fveqf1o 7311 f1ofvswap 7315 ralxpmap 8928 difsnen 9082 domunsn 9150 limensuci 9176 pssnn 9188 marypha1lem 9429 dif1card 10093 ackbij1lem18 10318 canthp1lem1 10741 grothprim 10923 hashgval 14481 hashun3 14532 hashfun 14586 hashbclem 14601 setsfun 17355 setsfun0 17356 setsid 17391 mreexexlem4d 17827 pwssplit1 21340 islindf4 22150 selvvvval 22457 psdmul 22493 neitr 23504 regsep2 23700 restmetu 24895 volinun 25873 tdeglem4 26384 noetasuplem3 28098 noetasuplem4 28099 difeq 33162 disjdifprg 33217 tocycfvres1 33718 tocycfvres2 33719 cycpmfvlem 33720 cycpmfv3 33723 cycpmcl 33724 rprmdvdsprod 34113 evlextv 34221 measunl 34896 eulerpartlemt 35050 mthmpps 36434 cldbnd 37207 poimirlem15 38647 poimirlem16 38648 poimirlem19 38651 poimirlem27 38659 evlselvlem 43710 evlselv 43711 eldioph2lem1 43865 eldioph2lem2 43866 diophren 43914 kelac1 44159 isomenndlem 47634 seposep 50134 |
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