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Theorem crctcshwlkn0lem7 29899
Description: Lemma for crctcshwlkn0 29904. (Contributed by AV, 12-Mar-2021.)
Hypotheses
Ref Expression
crctcshwlkn0lem.s (𝜑𝑆 ∈ (1..^𝑁))
crctcshwlkn0lem.q 𝑄 = (𝑥 ∈ (0...𝑁) ↦ if(𝑥 ≤ (𝑁𝑆), (𝑃‘(𝑥 + 𝑆)), (𝑃‘((𝑥 + 𝑆) − 𝑁))))
crctcshwlkn0lem.h 𝐻 = (𝐹 cyclShift 𝑆)
crctcshwlkn0lem.n 𝑁 = (♯‘𝐹)
crctcshwlkn0lem.f (𝜑𝐹 ∈ Word 𝐴)
crctcshwlkn0lem.p (𝜑 → ∀𝑖 ∈ (0..^𝑁)if-((𝑃𝑖) = (𝑃‘(𝑖 + 1)), (𝐼‘(𝐹𝑖)) = {(𝑃𝑖)}, {(𝑃𝑖), (𝑃‘(𝑖 + 1))} ⊆ (𝐼‘(𝐹𝑖))))
crctcshwlkn0lem.e (𝜑 → (𝑃𝑁) = (𝑃‘0))
Assertion
Ref Expression
crctcshwlkn0lem7 (𝜑 → ∀𝑗 ∈ (0..^𝑁)if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
Distinct variable groups:   𝑥,𝑁   𝑥,𝑃   𝑥,𝑆   𝜑,𝑥   𝑖,𝐹   𝑖,𝐼   𝑖,𝑁   𝑃,𝑖   𝑆,𝑖   𝜑,𝑖,𝑗   𝑥,𝑗   𝑗,𝐼   𝑗,𝐻   𝑗,𝑁   𝑄,𝑗   𝑆,𝑗
Allowed substitution hints:   𝐴(𝑥,𝑖,𝑗)   𝑃(𝑗)   𝑄(𝑥,𝑖)   𝐹(𝑥,𝑗)   𝐻(𝑥,𝑖)   𝐼(𝑥)

Proof of Theorem crctcshwlkn0lem7
StepHypRef Expression
1 crctcshwlkn0lem.s . . . . . 6 (𝜑𝑆 ∈ (1..^𝑁))
2 crctcshwlkn0lem.q . . . . . 6 𝑄 = (𝑥 ∈ (0...𝑁) ↦ if(𝑥 ≤ (𝑁𝑆), (𝑃‘(𝑥 + 𝑆)), (𝑃‘((𝑥 + 𝑆) − 𝑁))))
3 crctcshwlkn0lem.h . . . . . 6 𝐻 = (𝐹 cyclShift 𝑆)
4 crctcshwlkn0lem.n . . . . . 6 𝑁 = (♯‘𝐹)
5 crctcshwlkn0lem.f . . . . . 6 (𝜑𝐹 ∈ Word 𝐴)
6 crctcshwlkn0lem.p . . . . . 6 (𝜑 → ∀𝑖 ∈ (0..^𝑁)if-((𝑃𝑖) = (𝑃‘(𝑖 + 1)), (𝐼‘(𝐹𝑖)) = {(𝑃𝑖)}, {(𝑃𝑖), (𝑃‘(𝑖 + 1))} ⊆ (𝐼‘(𝐹𝑖))))
71, 2, 3, 4, 5, 6crctcshwlkn0lem4 29896 . . . . 5 (𝜑 → ∀𝑗 ∈ (0..^(𝑁𝑆))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
8 eqidd 2738 . . . . . . 7 (𝜑 → (𝑁𝑆) = (𝑁𝑆))
9 crctcshwlkn0lem.e . . . . . . . 8 (𝜑 → (𝑃𝑁) = (𝑃‘0))
101, 2, 3, 4, 5, 6, 9crctcshwlkn0lem6 29898 . . . . . . 7 ((𝜑 ∧ (𝑁𝑆) = (𝑁𝑆)) → if-((𝑄‘(𝑁𝑆)) = (𝑄‘((𝑁𝑆) + 1)), (𝐼‘(𝐻‘(𝑁𝑆))) = {(𝑄‘(𝑁𝑆))}, {(𝑄‘(𝑁𝑆)), (𝑄‘((𝑁𝑆) + 1))} ⊆ (𝐼‘(𝐻‘(𝑁𝑆)))))
118, 10mpdan 688 . . . . . 6 (𝜑 → if-((𝑄‘(𝑁𝑆)) = (𝑄‘((𝑁𝑆) + 1)), (𝐼‘(𝐻‘(𝑁𝑆))) = {(𝑄‘(𝑁𝑆))}, {(𝑄‘(𝑁𝑆)), (𝑄‘((𝑁𝑆) + 1))} ⊆ (𝐼‘(𝐻‘(𝑁𝑆)))))
12 ovex 7393 . . . . . . 7 (𝑁𝑆) ∈ V
13 wkslem1 29691 . . . . . . 7 (𝑗 = (𝑁𝑆) → (if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ↔ if-((𝑄‘(𝑁𝑆)) = (𝑄‘((𝑁𝑆) + 1)), (𝐼‘(𝐻‘(𝑁𝑆))) = {(𝑄‘(𝑁𝑆))}, {(𝑄‘(𝑁𝑆)), (𝑄‘((𝑁𝑆) + 1))} ⊆ (𝐼‘(𝐻‘(𝑁𝑆))))))
1412, 13ralsn 4626 . . . . . 6 (∀𝑗 ∈ {(𝑁𝑆)}if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ↔ if-((𝑄‘(𝑁𝑆)) = (𝑄‘((𝑁𝑆) + 1)), (𝐼‘(𝐻‘(𝑁𝑆))) = {(𝑄‘(𝑁𝑆))}, {(𝑄‘(𝑁𝑆)), (𝑄‘((𝑁𝑆) + 1))} ⊆ (𝐼‘(𝐻‘(𝑁𝑆)))))
1511, 14sylibr 234 . . . . 5 (𝜑 → ∀𝑗 ∈ {(𝑁𝑆)}if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
16 ralunb 4138 . . . . 5 (∀𝑗 ∈ ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)})if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ↔ (∀𝑗 ∈ (0..^(𝑁𝑆))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ∧ ∀𝑗 ∈ {(𝑁𝑆)}if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗)))))
177, 15, 16sylanbrc 584 . . . 4 (𝜑 → ∀𝑗 ∈ ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)})if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
18 elfzo1 13658 . . . . . 6 (𝑆 ∈ (1..^𝑁) ↔ (𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁))
19 nnz 12536 . . . . . . . . . . 11 (𝑁 ∈ ℕ → 𝑁 ∈ ℤ)
20 nnz 12536 . . . . . . . . . . 11 (𝑆 ∈ ℕ → 𝑆 ∈ ℤ)
21 zsubcl 12560 . . . . . . . . . . 11 ((𝑁 ∈ ℤ ∧ 𝑆 ∈ ℤ) → (𝑁𝑆) ∈ ℤ)
2219, 20, 21syl2anr 598 . . . . . . . . . 10 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑁𝑆) ∈ ℤ)
23223adant3 1133 . . . . . . . . 9 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → (𝑁𝑆) ∈ ℤ)
24 nnre 12172 . . . . . . . . . . 11 (𝑆 ∈ ℕ → 𝑆 ∈ ℝ)
25 nnre 12172 . . . . . . . . . . 11 (𝑁 ∈ ℕ → 𝑁 ∈ ℝ)
26 posdif 11634 . . . . . . . . . . . 12 ((𝑆 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝑆 < 𝑁 ↔ 0 < (𝑁𝑆)))
27 0re 11137 . . . . . . . . . . . . 13 0 ∈ ℝ
28 resubcl 11449 . . . . . . . . . . . . . 14 ((𝑁 ∈ ℝ ∧ 𝑆 ∈ ℝ) → (𝑁𝑆) ∈ ℝ)
2928ancoms 458 . . . . . . . . . . . . 13 ((𝑆 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝑁𝑆) ∈ ℝ)
30 ltle 11225 . . . . . . . . . . . . 13 ((0 ∈ ℝ ∧ (𝑁𝑆) ∈ ℝ) → (0 < (𝑁𝑆) → 0 ≤ (𝑁𝑆)))
3127, 29, 30sylancr 588 . . . . . . . . . . . 12 ((𝑆 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (0 < (𝑁𝑆) → 0 ≤ (𝑁𝑆)))
3226, 31sylbid 240 . . . . . . . . . . 11 ((𝑆 ∈ ℝ ∧ 𝑁 ∈ ℝ) → (𝑆 < 𝑁 → 0 ≤ (𝑁𝑆)))
3324, 25, 32syl2an 597 . . . . . . . . . 10 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑆 < 𝑁 → 0 ≤ (𝑁𝑆)))
34333impia 1118 . . . . . . . . 9 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → 0 ≤ (𝑁𝑆))
35 elnn0z 12528 . . . . . . . . 9 ((𝑁𝑆) ∈ ℕ0 ↔ ((𝑁𝑆) ∈ ℤ ∧ 0 ≤ (𝑁𝑆)))
3623, 34, 35sylanbrc 584 . . . . . . . 8 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → (𝑁𝑆) ∈ ℕ0)
37 elnn0uz 12820 . . . . . . . 8 ((𝑁𝑆) ∈ ℕ0 ↔ (𝑁𝑆) ∈ (ℤ‘0))
3836, 37sylib 218 . . . . . . 7 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → (𝑁𝑆) ∈ (ℤ‘0))
39 fzosplitsn 13722 . . . . . . 7 ((𝑁𝑆) ∈ (ℤ‘0) → (0..^((𝑁𝑆) + 1)) = ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)}))
4038, 39syl 17 . . . . . 6 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → (0..^((𝑁𝑆) + 1)) = ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)}))
4118, 40sylbi 217 . . . . 5 (𝑆 ∈ (1..^𝑁) → (0..^((𝑁𝑆) + 1)) = ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)}))
421, 41syl 17 . . . 4 (𝜑 → (0..^((𝑁𝑆) + 1)) = ((0..^(𝑁𝑆)) ∪ {(𝑁𝑆)}))
4317, 42raleqtrrdv 3300 . . 3 (𝜑 → ∀𝑗 ∈ (0..^((𝑁𝑆) + 1))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
441, 2, 3, 4, 5, 6crctcshwlkn0lem5 29897 . . 3 (𝜑 → ∀𝑗 ∈ (((𝑁𝑆) + 1)..^𝑁)if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
45 ralunb 4138 . . 3 (∀𝑗 ∈ ((0..^((𝑁𝑆) + 1)) ∪ (((𝑁𝑆) + 1)..^𝑁))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ↔ (∀𝑗 ∈ (0..^((𝑁𝑆) + 1))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))) ∧ ∀𝑗 ∈ (((𝑁𝑆) + 1)..^𝑁)if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗)))))
4643, 44, 45sylanbrc 584 . 2 (𝜑 → ∀𝑗 ∈ ((0..^((𝑁𝑆) + 1)) ∪ (((𝑁𝑆) + 1)..^𝑁))if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
47 nnsub 12212 . . . . . . 7 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑆 < 𝑁 ↔ (𝑁𝑆) ∈ ℕ))
4847biimp3a 1472 . . . . . 6 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → (𝑁𝑆) ∈ ℕ)
49 nnnn0 12435 . . . . . 6 ((𝑁𝑆) ∈ ℕ → (𝑁𝑆) ∈ ℕ0)
50 peano2nn0 12468 . . . . . 6 ((𝑁𝑆) ∈ ℕ0 → ((𝑁𝑆) + 1) ∈ ℕ0)
5148, 49, 503syl 18 . . . . 5 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → ((𝑁𝑆) + 1) ∈ ℕ0)
52 nnnn0 12435 . . . . . 6 (𝑁 ∈ ℕ → 𝑁 ∈ ℕ0)
53523ad2ant2 1135 . . . . 5 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → 𝑁 ∈ ℕ0)
5425anim1i 616 . . . . . . . 8 ((𝑁 ∈ ℕ ∧ 𝑆 ∈ ℕ) → (𝑁 ∈ ℝ ∧ 𝑆 ∈ ℕ))
5554ancoms 458 . . . . . . 7 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ) → (𝑁 ∈ ℝ ∧ 𝑆 ∈ ℕ))
56 crctcshwlkn0lem1 29893 . . . . . . 7 ((𝑁 ∈ ℝ ∧ 𝑆 ∈ ℕ) → ((𝑁𝑆) + 1) ≤ 𝑁)
5755, 56syl 17 . . . . . 6 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ) → ((𝑁𝑆) + 1) ≤ 𝑁)
58573adant3 1133 . . . . 5 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → ((𝑁𝑆) + 1) ≤ 𝑁)
59 elfz2nn0 13563 . . . . 5 (((𝑁𝑆) + 1) ∈ (0...𝑁) ↔ (((𝑁𝑆) + 1) ∈ ℕ0𝑁 ∈ ℕ0 ∧ ((𝑁𝑆) + 1) ≤ 𝑁))
6051, 53, 58, 59syl3anbrc 1345 . . . 4 ((𝑆 ∈ ℕ ∧ 𝑁 ∈ ℕ ∧ 𝑆 < 𝑁) → ((𝑁𝑆) + 1) ∈ (0...𝑁))
6118, 60sylbi 217 . . 3 (𝑆 ∈ (1..^𝑁) → ((𝑁𝑆) + 1) ∈ (0...𝑁))
62 fzosplit 13638 . . 3 (((𝑁𝑆) + 1) ∈ (0...𝑁) → (0..^𝑁) = ((0..^((𝑁𝑆) + 1)) ∪ (((𝑁𝑆) + 1)..^𝑁)))
631, 61, 623syl 18 . 2 (𝜑 → (0..^𝑁) = ((0..^((𝑁𝑆) + 1)) ∪ (((𝑁𝑆) + 1)..^𝑁)))
6446, 63raleqtrrdv 3300 1 (𝜑 → ∀𝑗 ∈ (0..^𝑁)if-((𝑄𝑗) = (𝑄‘(𝑗 + 1)), (𝐼‘(𝐻𝑗)) = {(𝑄𝑗)}, {(𝑄𝑗), (𝑄‘(𝑗 + 1))} ⊆ (𝐼‘(𝐻𝑗))))
Colors of variables: wff setvar class
Syntax hints:  wi 4  wa 395  if-wif 1063  w3a 1087   = wceq 1542  wcel 2114  wral 3052  cun 3888  wss 3890  ifcif 4467  {csn 4568  {cpr 4570   class class class wbr 5086  cmpt 5167  cfv 6492  (class class class)co 7360  cr 11028  0cc0 11029  1c1 11030   + caddc 11032   < clt 11170  cle 11171  cmin 11368  cn 12165  0cn0 12428  cz 12515  cuz 12779  ...cfz 13452  ..^cfzo 13599  chash 14283  Word cword 14466   cyclShift ccsh 14741
This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1797  ax-4 1811  ax-5 1912  ax-6 1969  ax-7 2010  ax-8 2116  ax-9 2124  ax-10 2147  ax-11 2163  ax-12 2185  ax-ext 2709  ax-rep 5212  ax-sep 5231  ax-nul 5241  ax-pow 5302  ax-pr 5370  ax-un 7682  ax-cnex 11085  ax-resscn 11086  ax-1cn 11087  ax-icn 11088  ax-addcl 11089  ax-addrcl 11090  ax-mulcl 11091  ax-mulrcl 11092  ax-mulcom 11093  ax-addass 11094  ax-mulass 11095  ax-distr 11096  ax-i2m1 11097  ax-1ne0 11098  ax-1rid 11099  ax-rnegex 11100  ax-rrecex 11101  ax-cnre 11102  ax-pre-lttri 11103  ax-pre-lttrn 11104  ax-pre-ltadd 11105  ax-pre-mulgt0 11106  ax-pre-sup 11107
This theorem depends on definitions:  df-bi 207  df-an 396  df-or 849  df-ifp 1064  df-3or 1088  df-3an 1089  df-tru 1545  df-fal 1555  df-ex 1782  df-nf 1786  df-sb 2069  df-mo 2540  df-eu 2570  df-clab 2716  df-cleq 2729  df-clel 2812  df-nfc 2886  df-ne 2934  df-nel 3038  df-ral 3053  df-rex 3063  df-rmo 3343  df-reu 3344  df-rab 3391  df-v 3432  df-sbc 3730  df-csb 3839  df-dif 3893  df-un 3895  df-in 3897  df-ss 3907  df-pss 3910  df-nul 4275  df-if 4468  df-pw 4544  df-sn 4569  df-pr 4571  df-op 4575  df-uni 4852  df-int 4891  df-iun 4936  df-br 5087  df-opab 5149  df-mpt 5168  df-tr 5194  df-id 5519  df-eprel 5524  df-po 5532  df-so 5533  df-fr 5577  df-we 5579  df-xp 5630  df-rel 5631  df-cnv 5632  df-co 5633  df-dm 5634  df-rn 5635  df-res 5636  df-ima 5637  df-pred 6259  df-ord 6320  df-on 6321  df-lim 6322  df-suc 6323  df-iota 6448  df-fun 6494  df-fn 6495  df-f 6496  df-f1 6497  df-fo 6498  df-f1o 6499  df-fv 6500  df-riota 7317  df-ov 7363  df-oprab 7364  df-mpo 7365  df-om 7811  df-1st 7935  df-2nd 7936  df-frecs 8224  df-wrecs 8255  df-recs 8304  df-rdg 8342  df-1o 8398  df-er 8636  df-en 8887  df-dom 8888  df-sdom 8889  df-fin 8890  df-sup 9348  df-inf 9349  df-card 9854  df-pnf 11172  df-mnf 11173  df-xr 11174  df-ltxr 11175  df-le 11176  df-sub 11370  df-neg 11371  df-div 11799  df-nn 12166  df-2 12235  df-n0 12429  df-z 12516  df-uz 12780  df-rp 12934  df-fz 13453  df-fzo 13600  df-fl 13742  df-mod 13820  df-hash 14284  df-word 14467  df-concat 14524  df-substr 14595  df-pfx 14625  df-csh 14742
This theorem is referenced by:  crctcshwlkn0  29904
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