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 31227 | . . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 𝑀 ∈ (0...𝑁) ∧ 𝑁 ∈ (0...(♯‘𝑊))) → ran (𝑊 substr 〈𝑀, 𝑁〉) = (𝑊 “ (𝑀..^𝑁))) | |
5 | 1, 2, 3, 4 | syl3anc 1370 | . . 3 ⊢ (𝜑 → ran (𝑊 substr 〈𝑀, 𝑁〉) = (𝑊 “ (𝑀..^𝑁))) |
6 | elfzuz 13252 | . . . . . 6 ⊢ (𝑁 ∈ (0...(♯‘𝑊)) → 𝑁 ∈ (ℤ≥‘0)) | |
7 | fzss1 13295 | . . . . . 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 3922 | . . . 4 ⊢ (𝜑 → 𝑂 ∈ (0...𝑃)) |
11 | fzss1 13295 | . . . . . 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 3922 | . . . 4 ⊢ (𝜑 → 𝑃 ∈ (0...(♯‘𝑊))) |
15 | swrdrn3 31227 | . . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 𝑂 ∈ (0...𝑃) ∧ 𝑃 ∈ (0...(♯‘𝑊))) → ran (𝑊 substr 〈𝑂, 𝑃〉) = (𝑊 “ (𝑂..^𝑃))) | |
16 | 1, 10, 14, 15 | syl3anc 1370 | . . 3 ⊢ (𝜑 → ran (𝑊 substr 〈𝑂, 𝑃〉) = (𝑊 “ (𝑂..^𝑃))) |
17 | 5, 16 | ineq12d 4147 | . 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 6438 | . . . 4 ⊢ (𝑊:dom 𝑊–1-1→𝐷 ↔ (𝑊:dom 𝑊⟶𝐷 ∧ Fun ◡𝑊)) | |
20 | 19 | simprbi 497 | . . 3 ⊢ (𝑊:dom 𝑊–1-1→𝐷 → Fun ◡𝑊) |
21 | imain 6519 | . . 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 13252 | . . . . . . . . 9 ⊢ (𝑂 ∈ (𝑁...𝑃) → 𝑂 ∈ (ℤ≥‘𝑁)) | |
24 | fzoss1 13414 | . . . . . . . . 9 ⊢ (𝑂 ∈ (ℤ≥‘𝑁) → (𝑂..^𝑃) ⊆ (𝑁..^𝑃)) | |
25 | 9, 23, 24 | 3syl 18 | . . . . . . . 8 ⊢ (𝜑 → (𝑂..^𝑃) ⊆ (𝑁..^𝑃)) |
26 | elfzuz3 13253 | . . . . . . . . 9 ⊢ (𝑃 ∈ (𝑁...(♯‘𝑊)) → (♯‘𝑊) ∈ (ℤ≥‘𝑃)) | |
27 | fzoss2 13415 | . . . . . . . . 9 ⊢ ((♯‘𝑊) ∈ (ℤ≥‘𝑃) → (𝑁..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) | |
28 | 13, 26, 27 | 3syl 18 | . . . . . . . 8 ⊢ (𝜑 → (𝑁..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) |
29 | 25, 28 | sstrd 3931 | . . . . . . 7 ⊢ (𝜑 → (𝑂..^𝑃) ⊆ (𝑁..^(♯‘𝑊))) |
30 | sslin 4168 | . . . . . . 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 13421 | . . . . . 6 ⊢ ((𝑀..^𝑁) ∩ (𝑁..^(♯‘𝑊))) = ∅ | |
33 | 31, 32 | sseqtrdi 3971 | . . . . 5 ⊢ (𝜑 → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ∅) |
34 | ss0 4332 | . . . . 5 ⊢ (((𝑀..^𝑁) ∩ (𝑂..^𝑃)) ⊆ ∅ → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) = ∅) | |
35 | 33, 34 | syl 17 | . . . 4 ⊢ (𝜑 → ((𝑀..^𝑁) ∩ (𝑂..^𝑃)) = ∅) |
36 | 35 | imaeq2d 5969 | . . 3 ⊢ (𝜑 → (𝑊 “ ((𝑀..^𝑁) ∩ (𝑂..^𝑃))) = (𝑊 “ ∅)) |
37 | ima0 5985 | . . 3 ⊢ (𝑊 “ ∅) = ∅ | |
38 | 36, 37 | eqtrdi 2794 | . 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 2106 ∩ cin 3886 ⊆ wss 3887 ∅c0 4256 〈cop 4567 ◡ccnv 5588 dom cdm 5589 ran crn 5590 “ cima 5592 Fun wfun 6427 ⟶wf 6429 –1-1→wf1 6430 ‘cfv 6433 (class class class)co 7275 0cc0 10871 ℤ≥cuz 12582 ...cfz 13239 ..^cfzo 13382 ♯chash 14044 Word cword 14217 substr csubstr 14353 |
This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1798 ax-4 1812 ax-5 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2709 ax-rep 5209 ax-sep 5223 ax-nul 5230 ax-pow 5288 ax-pr 5352 ax-un 7588 ax-cnex 10927 ax-resscn 10928 ax-1cn 10929 ax-icn 10930 ax-addcl 10931 ax-addrcl 10932 ax-mulcl 10933 ax-mulrcl 10934 ax-mulcom 10935 ax-addass 10936 ax-mulass 10937 ax-distr 10938 ax-i2m1 10939 ax-1ne0 10940 ax-1rid 10941 ax-rnegex 10942 ax-rrecex 10943 ax-cnre 10944 ax-pre-lttri 10945 ax-pre-lttrn 10946 ax-pre-ltadd 10947 ax-pre-mulgt0 10948 |
This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1542 df-fal 1552 df-ex 1783 df-nf 1787 df-sb 2068 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2816 df-nfc 2889 df-ne 2944 df-nel 3050 df-ral 3069 df-rex 3070 df-reu 3072 df-rab 3073 df-v 3434 df-sbc 3717 df-csb 3833 df-dif 3890 df-un 3892 df-in 3894 df-ss 3904 df-pss 3906 df-nul 4257 df-if 4460 df-pw 4535 df-sn 4562 df-pr 4564 df-op 4568 df-uni 4840 df-int 4880 df-iun 4926 df-br 5075 df-opab 5137 df-mpt 5158 df-tr 5192 df-id 5489 df-eprel 5495 df-po 5503 df-so 5504 df-fr 5544 df-we 5546 df-xp 5595 df-rel 5596 df-cnv 5597 df-co 5598 df-dm 5599 df-rn 5600 df-res 5601 df-ima 5602 df-pred 6202 df-ord 6269 df-on 6270 df-lim 6271 df-suc 6272 df-iota 6391 df-fun 6435 df-fn 6436 df-f 6437 df-f1 6438 df-fo 6439 df-f1o 6440 df-fv 6441 df-riota 7232 df-ov 7278 df-oprab 7279 df-mpo 7280 df-om 7713 df-1st 7831 df-2nd 7832 df-frecs 8097 df-wrecs 8128 df-recs 8202 df-rdg 8241 df-1o 8297 df-er 8498 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-card 9697 df-pnf 11011 df-mnf 11012 df-xr 11013 df-ltxr 11014 df-le 11015 df-sub 11207 df-neg 11208 df-nn 11974 df-n0 12234 df-z 12320 df-uz 12583 df-fz 13240 df-fzo 13383 df-hash 14045 df-word 14218 df-substr 14354 |
This theorem is referenced by: cycpmco2f1 31391 |
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