Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > swrdrndisj | Structured version Visualization version GIF version |
Description: Condition for the range of two subwords of an injective word to be disjoint. (Contributed by Thierry Arnoux, 13-Dec-2023.) |
Ref | Expression |
---|---|
swrdf1.w | ⊢ (𝜑 → 𝑊 ∈ Word 𝐷) |
swrdf1.m | ⊢ (𝜑 → 𝑀 ∈ (0...𝑁)) |
swrdf1.n | ⊢ (𝜑 → 𝑁 ∈ (0...(♯‘𝑊))) |
swrdf1.1 | ⊢ (𝜑 → 𝑊:dom 𝑊–1-1→𝐷) |
swrdrndisj.1 | ⊢ (𝜑 → 𝑂 ∈ (𝑁...𝑃)) |
swrdrndisj.2 | ⊢ (𝜑 → 𝑃 ∈ (𝑁...(♯‘𝑊))) |
Ref | Expression |
---|---|
swrdrndisj | ⊢ (𝜑 → (ran (𝑊 substr 〈𝑀, 𝑁〉) ∩ ran (𝑊 substr 〈𝑂, 𝑃〉)) = ∅) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | swrdf1.w | . . . 4 ⊢ (𝜑 → 𝑊 ∈ Word 𝐷) | |
2 | swrdf1.m | . . . 4 ⊢ (𝜑 → 𝑀 ∈ (0...𝑁)) | |
3 | swrdf1.n | . . . 4 ⊢ (𝜑 → 𝑁 ∈ (0...(♯‘𝑊))) | |
4 | swrdrn3 31129 | . . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 𝑀 ∈ (0...𝑁) ∧ 𝑁 ∈ (0...(♯‘𝑊))) → ran (𝑊 substr 〈𝑀, 𝑁〉) = (𝑊 “ (𝑀..^𝑁))) | |
5 | 1, 2, 3, 4 | syl3anc 1369 | . . 3 ⊢ (𝜑 → ran (𝑊 substr 〈𝑀, 𝑁〉) = (𝑊 “ (𝑀..^𝑁))) |
6 | elfzuz 13181 | . . . . . 6 ⊢ (𝑁 ∈ (0...(♯‘𝑊)) → 𝑁 ∈ (ℤ≥‘0)) | |
7 | fzss1 13224 | . . . . . 6 ⊢ (𝑁 ∈ (ℤ≥‘0) → (𝑁...𝑃) ⊆ (0...𝑃)) | |
8 | 3, 6, 7 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (𝑁...𝑃) ⊆ (0...𝑃)) |
9 | swrdrndisj.1 | . . . . 5 ⊢ (𝜑 → 𝑂 ∈ (𝑁...𝑃)) | |
10 | 8, 9 | sseldd 3918 | . . . 4 ⊢ (𝜑 → 𝑂 ∈ (0...𝑃)) |
11 | fzss1 13224 | . . . . . 6 ⊢ (𝑁 ∈ (ℤ≥‘0) → (𝑁...(♯‘𝑊)) ⊆ (0...(♯‘𝑊))) | |
12 | 3, 6, 11 | 3syl 18 | . . . . 5 ⊢ (𝜑 → (𝑁...(♯‘𝑊)) ⊆ (0...(♯‘𝑊))) |
13 | swrdrndisj.2 | . . . . 5 ⊢ (𝜑 → 𝑃 ∈ (𝑁...(♯‘𝑊))) | |
14 | 12, 13 | sseldd 3918 | . . . 4 ⊢ (𝜑 → 𝑃 ∈ (0...(♯‘𝑊))) |
15 | swrdrn3 31129 | . . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 𝑂 ∈ (0...𝑃) ∧ 𝑃 ∈ (0...(♯‘𝑊))) → ran (𝑊 substr 〈𝑂, 𝑃〉) = (𝑊 “ (𝑂..^𝑃))) | |
16 | 1, 10, 14, 15 | syl3anc 1369 | . . 3 ⊢ (𝜑 → ran (𝑊 substr 〈𝑂, 𝑃〉) = (𝑊 “ (𝑂..^𝑃))) |
17 | 5, 16 | ineq12d 4144 | . 2 ⊢ (𝜑 → (ran (𝑊 substr 〈𝑀, 𝑁〉) ∩ ran (𝑊 substr 〈𝑂, 𝑃〉)) = ((𝑊 “ (𝑀..^𝑁)) ∩ (𝑊 “ (𝑂..^𝑃)))) |
18 | swrdf1.1 | . . 3 ⊢ (𝜑 → 𝑊:dom 𝑊–1-1→𝐷) | |
19 | df-f1 6423 | . . . 4 ⊢ (𝑊:dom 𝑊–1-1→𝐷 ↔ (𝑊:dom 𝑊⟶𝐷 ∧ Fun ◡𝑊)) | |
20 | 19 | simprbi 496 | . . 3 ⊢ (𝑊:dom 𝑊–1-1→𝐷 → Fun ◡𝑊) |
21 | imain 6503 | . . 3 ⊢ (Fun ◡𝑊 → (𝑊 “ ((𝑀..^𝑁) ∩ (𝑂..^𝑃))) = ((𝑊 “ (𝑀..^𝑁)) ∩ (𝑊 “ (𝑂..^𝑃)))) | |
22 | 18, 20, 21 | 3syl 18 | . 2 ⊢ (𝜑 → (𝑊 “ ((𝑀..^𝑁) ∩ (𝑂..^𝑃))) = ((𝑊 “ (𝑀..^𝑁)) ∩ (𝑊 “ (𝑂..^𝑃)))) |
23 | elfzuz 13181 | . . . . . . . . 9 ⊢ (𝑂 ∈ (𝑁...𝑃) → 𝑂 ∈ (ℤ≥‘𝑁)) | |
24 | fzoss1 13342 | . . . . . . . . 9 ⊢ (𝑂 ∈ (ℤ≥‘𝑁) → (𝑂..^𝑃) ⊆ (𝑁..^𝑃)) | |
25 | 9, 23, 24 | 3syl 18 | . . . . . . . 8 ⊢ (𝜑 → (𝑂..^𝑃) ⊆ (𝑁..^𝑃)) |
26 | elfzuz3 13182 | . . . . . . . . 9 ⊢ (𝑃 ∈ (𝑁...(♯‘𝑊)) → (♯‘𝑊) ∈ (ℤ≥‘𝑃)) | |
27 | fzoss2 13343 | . . . . . . . . 9 ⊢ ((♯‘𝑊) ∈ (ℤ≥‘𝑃) → (𝑁..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) | |
28 | 13, 26, 27 | 3syl 18 | . . . . . . . 8 ⊢ (𝜑 → (𝑁..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) |
29 | 25, 28 | sstrd 3927 | . . . . . . 7 ⊢ (𝜑 → (𝑂..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) |
30 | sslin 4165 | . . . . . . 7 ⊢ ((𝑂..^𝑃) ⊆ (𝑁..^(♯‘𝑊)) → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ((𝑀..^𝑁) ∩ (𝑁..^(♯‘𝑊)))) | |
31 | 29, 30 | syl 17 | . . . . . 6 ⊢ (𝜑 → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ((𝑀..^𝑁) ∩ (𝑁..^(♯‘𝑊)))) |
32 | fzodisj 13349 | . . . . . 6 ⊢ ((𝑀..^𝑁) ∩ (𝑁..^(♯‘𝑊))) = ∅ | |
33 | 31, 32 | sseqtrdi 3967 | . . . . 5 ⊢ (𝜑 → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ∅) |
34 | ss0 4329 | . . . . 5 ⊢ (((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ∅ → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) = ∅) | |
35 | 33, 34 | syl 17 | . . . 4 ⊢ (𝜑 → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) = ∅) |
36 | 35 | imaeq2d 5958 | . . 3 ⊢ (𝜑 → (𝑊 “ ((𝑀..^𝑁) ∩ (𝑂..^𝑃))) = (𝑊 “ ∅)) |
37 | ima0 5974 | . . 3 ⊢ (𝑊 “ ∅) = ∅ | |
38 | 36, 37 | eqtrdi 2795 | . 2 ⊢ (𝜑 → (𝑊 “ ((𝑀..^𝑁) ∩ (𝑂..^𝑃))) = ∅) |
39 | 17, 22, 38 | 3eqtr2d 2784 | 1 ⊢ (𝜑 → (ran (𝑊 substr 〈𝑀, 𝑁〉) ∩ ran (𝑊 substr 〈𝑂, 𝑃〉)) = ∅) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 = wceq 1539 ∈ wcel 2108 ∩ cin 3882 ⊆ wss 3883 ∅c0 4253 〈cop 4564 ◡ccnv 5579 dom cdm 5580 ran crn 5581 “ cima 5583 Fun wfun 6412 ⟶wf 6414 –1-1→wf1 6415 ‘cfv 6418 (class class class)co 7255 0cc0 10802 ℤ≥cuz 12511 ...cfz 13168 ..^cfzo 13311 ♯chash 13972 Word cword 14145 substr csubstr 14281 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879 |
This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-hash 13973 df-word 14146 df-substr 14282 |
This theorem is referenced by: cycpmco2f1 31293 |
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