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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 4423 | . 2 ⊢ (𝐴 ∩ (𝐵 ∖ 𝐴)) = ∅ | |
| 2 | 1 | ineqcomi 4161 | 1 ⊢ ((𝐵 ∖ 𝐴) ∩ 𝐴) = ∅ |
| Colors of variables: wff setvar class |
| Syntax hints: = wceq 1559 ∖ cdif 3899 ∩ cin 3901 ∅c0 4283 |
| This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1814 ax-4 1828 ax-5 1929 ax-6 1986 ax-7 2027 ax-8 2143 ax-9 2151 ax-ext 2733 |
| This theorem depends on definitions: df-bi 209 df-an 400 df-tru 1562 df-fal 1572 df-ex 1799 df-sb 2090 df-clab 2740 df-cleq 2753 df-clel 2836 df-rab 3414 df-v 3455 df-dif 3905 df-in 3909 df-ss 3919 df-nul 4284 |
| This theorem is referenced by: ssdifin0 4436 fvsnun1 7160 fveqf1o 7280 f1ofvswap 7284 ralxpmap 8871 difsnen 9024 domunsn 9092 limensuci 9118 pssnn 9130 marypha1lem 9372 dif1card 9959 ackbij1lem18 10185 canthp1lem1 10603 grothprim 10785 hashgval 14339 hashun3 14390 hashfun 14443 hashbclem 14458 setsfun 17197 setsfun0 17198 setsid 17233 mreexexlem4d 17669 pwssplit1 21113 islindf4 21877 selvvvval 22182 psdmul 22218 neitr 23227 regsep2 23423 restmetu 24617 volinun 25595 tdeglem4 26107 noetasuplem3 27786 noetasuplem4 27787 difeq 32676 disjdifprg 32734 tocycfvres1 33250 tocycfvres2 33251 cycpmfvlem 33252 cycpmfv3 33255 cycpmcl 33256 rprmdvdsprod 33690 evlextv 33799 esplyind 33832 measunl 34473 eulerpartlemt 34628 mthmpps 35892 cldbnd 36646 poimirlem15 38094 poimirlem16 38095 poimirlem19 38098 poimirlem27 38106 evlselvlem 43130 evlselv 43131 eldioph2lem1 43301 eldioph2lem2 43302 diophren 43350 kelac1 43600 isomenndlem 47064 seposep 49507 |
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