Mathbox for Thierry Arnoux |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > cycpmfv1 | Structured version Visualization version GIF version |
Description: Value of a cycle function for any element but the last. (Contributed by Thierry Arnoux, 22-Sep-2023.) |
Ref | Expression |
---|---|
tocycval.1 | ⊢ 𝐶 = (toCyc‘𝐷) |
tocycfv.d | ⊢ (𝜑 → 𝐷 ∈ 𝑉) |
tocycfv.w | ⊢ (𝜑 → 𝑊 ∈ Word 𝐷) |
tocycfv.1 | ⊢ (𝜑 → 𝑊:dom 𝑊–1-1→𝐷) |
cycpmfv1.1 | ⊢ (𝜑 → 𝑁 ∈ (0..^((♯‘𝑊) − 1))) |
Ref | Expression |
---|---|
cycpmfv1 | ⊢ (𝜑 → ((𝐶‘𝑊)‘(𝑊‘𝑁)) = (𝑊‘(𝑁 + 1))) |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | tocycval.1 | . . 3 ⊢ 𝐶 = (toCyc‘𝐷) | |
2 | tocycfv.d | . . 3 ⊢ (𝜑 → 𝐷 ∈ 𝑉) | |
3 | tocycfv.w | . . 3 ⊢ (𝜑 → 𝑊 ∈ Word 𝐷) | |
4 | tocycfv.1 | . . 3 ⊢ (𝜑 → 𝑊:dom 𝑊–1-1→𝐷) | |
5 | lencl 14236 | . . . . . . 7 ⊢ (𝑊 ∈ Word 𝐷 → (♯‘𝑊) ∈ ℕ0) | |
6 | 3, 5 | syl 17 | . . . . . 6 ⊢ (𝜑 → (♯‘𝑊) ∈ ℕ0) |
7 | 6 | nn0zd 12424 | . . . . 5 ⊢ (𝜑 → (♯‘𝑊) ∈ ℤ) |
8 | fzossrbm1 13416 | . . . . 5 ⊢ ((♯‘𝑊) ∈ ℤ → (0..^((♯‘𝑊) − 1)) ⊆ (0..^(♯‘𝑊))) | |
9 | 7, 8 | syl 17 | . . . 4 ⊢ (𝜑 → (0..^((♯‘𝑊) − 1)) ⊆ (0..^(♯‘𝑊))) |
10 | cycpmfv1.1 | . . . 4 ⊢ (𝜑 → 𝑁 ∈ (0..^((♯‘𝑊) − 1))) | |
11 | 9, 10 | sseldd 3922 | . . 3 ⊢ (𝜑 → 𝑁 ∈ (0..^(♯‘𝑊))) |
12 | 1, 2, 3, 4, 11 | cycpmfvlem 31379 | . 2 ⊢ (𝜑 → ((𝐶‘𝑊)‘(𝑊‘𝑁)) = (((𝑊 cyclShift 1) ∘ ◡𝑊)‘(𝑊‘𝑁))) |
13 | df-f1 6438 | . . . . 5 ⊢ (𝑊:dom 𝑊–1-1→𝐷 ↔ (𝑊:dom 𝑊⟶𝐷 ∧ Fun ◡𝑊)) | |
14 | 4, 13 | sylib 217 | . . . 4 ⊢ (𝜑 → (𝑊:dom 𝑊⟶𝐷 ∧ Fun ◡𝑊)) |
15 | 14 | simprd 496 | . . 3 ⊢ (𝜑 → Fun ◡𝑊) |
16 | wrdfn 14231 | . . . . . 6 ⊢ (𝑊 ∈ Word 𝐷 → 𝑊 Fn (0..^(♯‘𝑊))) | |
17 | 3, 16 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑊 Fn (0..^(♯‘𝑊))) |
18 | fnfvelrn 6958 | . . . . 5 ⊢ ((𝑊 Fn (0..^(♯‘𝑊)) ∧ 𝑁 ∈ (0..^(♯‘𝑊))) → (𝑊‘𝑁) ∈ ran 𝑊) | |
19 | 17, 11, 18 | syl2anc 584 | . . . 4 ⊢ (𝜑 → (𝑊‘𝑁) ∈ ran 𝑊) |
20 | df-rn 5600 | . . . 4 ⊢ ran 𝑊 = dom ◡𝑊 | |
21 | 19, 20 | eleqtrdi 2849 | . . 3 ⊢ (𝜑 → (𝑊‘𝑁) ∈ dom ◡𝑊) |
22 | fvco 6866 | . . 3 ⊢ ((Fun ◡𝑊 ∧ (𝑊‘𝑁) ∈ dom ◡𝑊) → (((𝑊 cyclShift 1) ∘ ◡𝑊)‘(𝑊‘𝑁)) = ((𝑊 cyclShift 1)‘(◡𝑊‘(𝑊‘𝑁)))) | |
23 | 15, 21, 22 | syl2anc 584 | . 2 ⊢ (𝜑 → (((𝑊 cyclShift 1) ∘ ◡𝑊)‘(𝑊‘𝑁)) = ((𝑊 cyclShift 1)‘(◡𝑊‘(𝑊‘𝑁)))) |
24 | f1f1orn 6727 | . . . . . 6 ⊢ (𝑊:dom 𝑊–1-1→𝐷 → 𝑊:dom 𝑊–1-1-onto→ran 𝑊) | |
25 | 4, 24 | syl 17 | . . . . 5 ⊢ (𝜑 → 𝑊:dom 𝑊–1-1-onto→ran 𝑊) |
26 | 17 | fndmd 6538 | . . . . . 6 ⊢ (𝜑 → dom 𝑊 = (0..^(♯‘𝑊))) |
27 | 11, 26 | eleqtrrd 2842 | . . . . 5 ⊢ (𝜑 → 𝑁 ∈ dom 𝑊) |
28 | f1ocnvfv1 7148 | . . . . 5 ⊢ ((𝑊:dom 𝑊–1-1-onto→ran 𝑊 ∧ 𝑁 ∈ dom 𝑊) → (◡𝑊‘(𝑊‘𝑁)) = 𝑁) | |
29 | 25, 27, 28 | syl2anc 584 | . . . 4 ⊢ (𝜑 → (◡𝑊‘(𝑊‘𝑁)) = 𝑁) |
30 | 29 | fveq2d 6778 | . . 3 ⊢ (𝜑 → ((𝑊 cyclShift 1)‘(◡𝑊‘(𝑊‘𝑁))) = ((𝑊 cyclShift 1)‘𝑁)) |
31 | 1zzd 12351 | . . . 4 ⊢ (𝜑 → 1 ∈ ℤ) | |
32 | cshwidxmod 14516 | . . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 1 ∈ ℤ ∧ 𝑁 ∈ (0..^(♯‘𝑊))) → ((𝑊 cyclShift 1)‘𝑁) = (𝑊‘((𝑁 + 1) mod (♯‘𝑊)))) | |
33 | 3, 31, 11, 32 | syl3anc 1370 | . . 3 ⊢ (𝜑 → ((𝑊 cyclShift 1)‘𝑁) = (𝑊‘((𝑁 + 1) mod (♯‘𝑊)))) |
34 | fzo0ss1 13417 | . . . . . 6 ⊢ (1..^(♯‘𝑊)) ⊆ (0..^(♯‘𝑊)) | |
35 | fzoaddel2 13443 | . . . . . . 7 ⊢ ((𝑁 ∈ (0..^((♯‘𝑊) − 1)) ∧ (♯‘𝑊) ∈ ℤ ∧ 1 ∈ ℤ) → (𝑁 + 1) ∈ (1..^(♯‘𝑊))) | |
36 | 10, 7, 31, 35 | syl3anc 1370 | . . . . . 6 ⊢ (𝜑 → (𝑁 + 1) ∈ (1..^(♯‘𝑊))) |
37 | 34, 36 | sselid 3919 | . . . . 5 ⊢ (𝜑 → (𝑁 + 1) ∈ (0..^(♯‘𝑊))) |
38 | zmodidfzoimp 13621 | . . . . 5 ⊢ ((𝑁 + 1) ∈ (0..^(♯‘𝑊)) → ((𝑁 + 1) mod (♯‘𝑊)) = (𝑁 + 1)) | |
39 | 37, 38 | syl 17 | . . . 4 ⊢ (𝜑 → ((𝑁 + 1) mod (♯‘𝑊)) = (𝑁 + 1)) |
40 | 39 | fveq2d 6778 | . . 3 ⊢ (𝜑 → (𝑊‘((𝑁 + 1) mod (♯‘𝑊))) = (𝑊‘(𝑁 + 1))) |
41 | 30, 33, 40 | 3eqtrd 2782 | . 2 ⊢ (𝜑 → ((𝑊 cyclShift 1)‘(◡𝑊‘(𝑊‘𝑁))) = (𝑊‘(𝑁 + 1))) |
42 | 12, 23, 41 | 3eqtrd 2782 | 1 ⊢ (𝜑 → ((𝐶‘𝑊)‘(𝑊‘𝑁)) = (𝑊‘(𝑁 + 1))) |
Colors of variables: wff setvar class |
Syntax hints: → wi 4 ∧ wa 396 = wceq 1539 ∈ wcel 2106 ⊆ wss 3887 ◡ccnv 5588 dom cdm 5589 ran crn 5590 ∘ ccom 5593 Fun wfun 6427 Fn wfn 6428 ⟶wf 6429 –1-1→wf1 6430 –1-1-onto→wf1o 6432 ‘cfv 6433 (class class class)co 7275 0cc0 10871 1c1 10872 + caddc 10874 − cmin 11205 ℕ0cn0 12233 ℤcz 12319 ..^cfzo 13382 mod cmo 13589 ♯chash 14044 Word cword 14217 cyclShift ccsh 14501 toCycctocyc 31373 |
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 ax-pre-sup 10949 |
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-rmo 3071 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-map 8617 df-en 8734 df-dom 8735 df-sdom 8736 df-fin 8737 df-sup 9201 df-inf 9202 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-div 11633 df-nn 11974 df-2 12036 df-n0 12234 df-z 12320 df-uz 12583 df-rp 12731 df-fz 13240 df-fzo 13383 df-fl 13512 df-mod 13590 df-hash 14045 df-word 14218 df-concat 14274 df-substr 14354 df-pfx 14384 df-csh 14502 df-tocyc 31374 |
This theorem is referenced by: cyc2fv1 31388 cycpmco2lem4 31396 cycpmco2lem6 31398 cycpmco2lem7 31399 cycpmco2 31400 cyc3fv1 31404 cyc3fv2 31405 cycpmrn 31410 |
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