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Mirrors > Home > ILE Home > Th. List > fzdisj | Unicode version |
Description: Condition for two finite intervals of integers to be disjoint. (Contributed by Jeff Madsen, 17-Jun-2010.) |
Ref | Expression |
---|---|
fzdisj |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | elin 3300 | . . . 4 | |
2 | elfzel1 9950 | . . . . . . . 8 | |
3 | 2 | adantl 275 | . . . . . . 7 |
4 | 3 | zred 9304 | . . . . . 6 |
5 | elfzelz 9951 | . . . . . . . 8 | |
6 | 5 | zred 9304 | . . . . . . 7 |
7 | 6 | adantl 275 | . . . . . 6 |
8 | elfzel2 9949 | . . . . . . . 8 | |
9 | 8 | adantr 274 | . . . . . . 7 |
10 | 9 | zred 9304 | . . . . . 6 |
11 | elfzle1 9952 | . . . . . . 7 | |
12 | 11 | adantl 275 | . . . . . 6 |
13 | elfzle2 9953 | . . . . . . 7 | |
14 | 13 | adantr 274 | . . . . . 6 |
15 | 4, 7, 10, 12, 14 | letrd 8013 | . . . . 5 |
16 | 4, 10 | lenltd 8007 | . . . . 5 |
17 | 15, 16 | mpbid 146 | . . . 4 |
18 | 1, 17 | sylbi 120 | . . 3 |
19 | 18 | con2i 617 | . 2 |
20 | 19 | eq0rdv 3448 | 1 |
Colors of variables: wff set class |
Syntax hints: wn 3 wi 4 wa 103 wceq 1342 wcel 2135 cin 3110 c0 3404 class class class wbr 3976 (class class class)co 5836 cr 7743 clt 7924 cle 7925 cz 9182 cfz 9935 |
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 604 ax-in2 605 ax-io 699 ax-5 1434 ax-7 1435 ax-gen 1436 ax-ie1 1480 ax-ie2 1481 ax-8 1491 ax-10 1492 ax-11 1493 ax-i12 1494 ax-bndl 1496 ax-4 1497 ax-17 1513 ax-i9 1517 ax-ial 1521 ax-i5r 1522 ax-13 2137 ax-14 2138 ax-ext 2146 ax-sep 4094 ax-pow 4147 ax-pr 4181 ax-un 4405 ax-setind 4508 ax-cnex 7835 ax-resscn 7836 ax-pre-ltwlin 7857 |
This theorem depends on definitions: df-bi 116 df-3or 968 df-3an 969 df-tru 1345 df-fal 1348 df-nf 1448 df-sb 1750 df-eu 2016 df-mo 2017 df-clab 2151 df-cleq 2157 df-clel 2160 df-nfc 2295 df-ne 2335 df-nel 2430 df-ral 2447 df-rex 2448 df-rab 2451 df-v 2723 df-sbc 2947 df-dif 3113 df-un 3115 df-in 3117 df-ss 3124 df-nul 3405 df-pw 3555 df-sn 3576 df-pr 3577 df-op 3579 df-uni 3784 df-br 3977 df-opab 4038 df-mpt 4039 df-id 4265 df-xp 4604 df-rel 4605 df-cnv 4606 df-co 4607 df-dm 4608 df-rn 4609 df-res 4610 df-ima 4611 df-iota 5147 df-fun 5184 df-fn 5185 df-f 5186 df-fv 5190 df-ov 5839 df-oprab 5840 df-mpo 5841 df-pnf 7926 df-mnf 7927 df-xr 7928 df-ltxr 7929 df-le 7930 df-neg 8063 df-z 9183 df-uz 9458 df-fz 9936 |
This theorem is referenced by: fsumm1 11343 fsum1p 11345 mertenslemi1 11462 fprod1p 11526 fprodeq0 11544 strleund 12419 strleun 12420 cvgcmp2nlemabs 13745 |
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