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Mirrors > Home > ILE Home > Th. List > prdisj | Unicode version |
Description: A Dedekind cut is disjoint. (Contributed by Jim Kingdon, 15-Dec-2019.) |
Ref | Expression |
---|---|
prdisj |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | eleq1 2233 | . . . . 5 | |
2 | 1 | anbi2d 461 | . . . 4 |
3 | eleq1 2233 | . . . . . 6 | |
4 | eleq1 2233 | . . . . . 6 | |
5 | 3, 4 | anbi12d 470 | . . . . 5 |
6 | 5 | notbid 662 | . . . 4 |
7 | 2, 6 | imbi12d 233 | . . 3 |
8 | elinp 7423 | . . . . 5 | |
9 | simpr2 999 | . . . . 5 | |
10 | 8, 9 | sylbi 120 | . . . 4 |
11 | 10 | r19.21bi 2558 | . . 3 |
12 | 7, 11 | vtoclg 2790 | . 2 |
13 | 12 | anabsi7 576 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 wo 703 w3a 973 wceq 1348 wcel 2141 wral 2448 wrex 2449 wss 3121 cop 3584 class class class wbr 3987 cnq 7229 cltq 7234 cnp 7240 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 105 ax-ia2 106 ax-ia3 107 ax-in1 609 ax-in2 610 ax-io 704 ax-5 1440 ax-7 1441 ax-gen 1442 ax-ie1 1486 ax-ie2 1487 ax-8 1497 ax-10 1498 ax-11 1499 ax-i12 1500 ax-bndl 1502 ax-4 1503 ax-17 1519 ax-i9 1523 ax-ial 1527 ax-i5r 1528 ax-13 2143 ax-14 2144 ax-ext 2152 ax-coll 4102 ax-sep 4105 ax-pow 4158 ax-pr 4192 ax-un 4416 ax-iinf 4570 |
This theorem depends on definitions: df-bi 116 df-3an 975 df-tru 1351 df-nf 1454 df-sb 1756 df-eu 2022 df-mo 2023 df-clab 2157 df-cleq 2163 df-clel 2166 df-nfc 2301 df-ral 2453 df-rex 2454 df-reu 2455 df-rab 2457 df-v 2732 df-sbc 2956 df-csb 3050 df-dif 3123 df-un 3125 df-in 3127 df-ss 3134 df-pw 3566 df-sn 3587 df-pr 3588 df-op 3590 df-uni 3795 df-int 3830 df-iun 3873 df-br 3988 df-opab 4049 df-mpt 4050 df-id 4276 df-iom 4573 df-xp 4615 df-rel 4616 df-cnv 4617 df-co 4618 df-dm 4619 df-rn 4620 df-res 4621 df-ima 4622 df-iota 5158 df-fun 5198 df-fn 5199 df-f 5200 df-f1 5201 df-fo 5202 df-f1o 5203 df-fv 5204 df-qs 6515 df-ni 7253 df-nqqs 7297 df-inp 7415 |
This theorem is referenced by: ltpopr 7544 addcanprleml 7563 addcanprlemu 7564 suplocexprlemdisj 7669 suplocexprlemub 7672 |
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