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Mirrors > Home > ILE Home > Th. List > icodisj | Unicode version |
Description: End-to-end closed-below, open-above real intervals are disjoint. (Contributed by Mario Carneiro, 16-Jun-2014.) |
Ref | Expression |
---|---|
icodisj |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elin 3259 | . . . 4 | |
2 | elico1 9709 | . . . . . . . . . 10 | |
3 | 2 | 3adant3 1001 | . . . . . . . . 9 |
4 | 3 | biimpa 294 | . . . . . . . 8 |
5 | 4 | simp3d 995 | . . . . . . 7 |
6 | 5 | adantrr 470 | . . . . . 6 |
7 | elico1 9709 | . . . . . . . . . . 11 | |
8 | 7 | 3adant1 999 | . . . . . . . . . 10 |
9 | 8 | biimpa 294 | . . . . . . . . 9 |
10 | 9 | simp2d 994 | . . . . . . . 8 |
11 | simpl2 985 | . . . . . . . . 9 | |
12 | 9 | simp1d 993 | . . . . . . . . 9 |
13 | xrlenlt 7832 | . . . . . . . . 9 | |
14 | 11, 12, 13 | syl2anc 408 | . . . . . . . 8 |
15 | 10, 14 | mpbid 146 | . . . . . . 7 |
16 | 15 | adantrl 469 | . . . . . 6 |
17 | 6, 16 | pm2.65da 650 | . . . . 5 |
18 | 17 | pm2.21d 608 | . . . 4 |
19 | 1, 18 | syl5bi 151 | . . 3 |
20 | 19 | ssrdv 3103 | . 2 |
21 | ss0 3403 | . 2 | |
22 | 20, 21 | syl 14 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wb 104 w3a 962 wceq 1331 wcel 1480 cin 3070 wss 3071 c0 3363 class class class wbr 3929 (class class class)co 5774 cxr 7802 clt 7803 cle 7804 cico 9676 |
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 603 ax-in2 604 ax-io 698 ax-5 1423 ax-7 1424 ax-gen 1425 ax-ie1 1469 ax-ie2 1470 ax-8 1482 ax-10 1483 ax-11 1484 ax-i12 1485 ax-bndl 1486 ax-4 1487 ax-13 1491 ax-14 1492 ax-17 1506 ax-i9 1510 ax-ial 1514 ax-i5r 1515 ax-ext 2121 ax-sep 4046 ax-pow 4098 ax-pr 4131 ax-un 4355 ax-setind 4452 ax-cnex 7714 ax-resscn 7715 |
This theorem depends on definitions: df-bi 116 df-3an 964 df-tru 1334 df-fal 1337 df-nf 1437 df-sb 1736 df-eu 2002 df-mo 2003 df-clab 2126 df-cleq 2132 df-clel 2135 df-nfc 2270 df-ne 2309 df-ral 2421 df-rex 2422 df-rab 2425 df-v 2688 df-sbc 2910 df-dif 3073 df-un 3075 df-in 3077 df-ss 3084 df-nul 3364 df-pw 3512 df-sn 3533 df-pr 3534 df-op 3536 df-uni 3737 df-br 3930 df-opab 3990 df-id 4215 df-xp 4545 df-rel 4546 df-cnv 4547 df-co 4548 df-dm 4549 df-iota 5088 df-fun 5125 df-fv 5131 df-ov 5777 df-oprab 5778 df-mpo 5779 df-pnf 7805 df-mnf 7806 df-xr 7807 df-le 7809 df-ico 9680 |
This theorem is referenced by: (None) |
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