Theorem cshimadifsn0 13576

Description: The image of a cyclically shifted word under its domain without its upper bound is the image of a cyclically shifted word under its domain without the number of shifted symbols. (Contributed by AV, 19-Mar-2021.)

Assertion

Ref	Expression
cshimadifsn0	⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 “ ((0..^𝑁) ∖ {𝐽})) = ((𝐹 cyclShift (𝐽 + 1)) “ (0..^(𝑁 − 1))))

Proof of Theorem cshimadifsn0

Dummy variables 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		cshimadifsn 13575	. 2 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 “ ((0..^𝑁) ∖ {𝐽})) = ((𝐹 cyclShift 𝐽) “ (1..^𝑁)))
2		elfzoel2 12469	. . . . . . . 8 ⊢ (𝐽 ∈ (0..^𝑁) → 𝑁 ∈ ℤ)
3		elfzom1elp1fzo1 12568	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℤ ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + 1) ∈ (1..^𝑁))
4	3	ex 450	. . . . . . . 8 ⊢ (𝑁 ∈ ℤ → (𝑦 ∈ (0..^(𝑁 − 1)) → (𝑦 + 1) ∈ (1..^𝑁)))
5	2, 4	syl 17	. . . . . . 7 ⊢ (𝐽 ∈ (0..^𝑁) → (𝑦 ∈ (0..^(𝑁 − 1)) → (𝑦 + 1) ∈ (1..^𝑁)))
6	5	3ad2ant3 1084	. . . . . 6 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝑦 ∈ (0..^(𝑁 − 1)) → (𝑦 + 1) ∈ (1..^𝑁)))
7	6	imp 445	. . . . 5 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + 1) ∈ (1..^𝑁))
8		elfzo1elm1fzo0 12569	. . . . . . 7 ⊢ (𝑥 ∈ (1..^𝑁) → (𝑥 − 1) ∈ (0..^(𝑁 − 1)))
9	8	adantl 482	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑥 ∈ (1..^𝑁)) → (𝑥 − 1) ∈ (0..^(𝑁 − 1)))
10		oveq1 6657	. . . . . . . 8 ⊢ (𝑦 = (𝑥 − 1) → (𝑦 + 1) = ((𝑥 − 1) + 1))
11	10	eqeq2d 2632	. . . . . . 7 ⊢ (𝑦 = (𝑥 − 1) → (𝑥 = (𝑦 + 1) ↔ 𝑥 = ((𝑥 − 1) + 1)))
12	11	adantl 482	. . . . . 6 ⊢ ((((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑥 ∈ (1..^𝑁)) ∧ 𝑦 = (𝑥 − 1)) → (𝑥 = (𝑦 + 1) ↔ 𝑥 = ((𝑥 − 1) + 1)))
13		elfzoelz 12470	. . . . . . . . . 10 ⊢ (𝑥 ∈ (1..^𝑁) → 𝑥 ∈ ℤ)
14	13	zcnd 11483	. . . . . . . . 9 ⊢ (𝑥 ∈ (1..^𝑁) → 𝑥 ∈ ℂ)
15		npcan1 10455	. . . . . . . . 9 ⊢ (𝑥 ∈ ℂ → ((𝑥 − 1) + 1) = 𝑥)
16	14, 15	syl 17	. . . . . . . 8 ⊢ (𝑥 ∈ (1..^𝑁) → ((𝑥 − 1) + 1) = 𝑥)
17	16	eqcomd 2628	. . . . . . 7 ⊢ (𝑥 ∈ (1..^𝑁) → 𝑥 = ((𝑥 − 1) + 1))
18	17	adantl 482	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑥 ∈ (1..^𝑁)) → 𝑥 = ((𝑥 − 1) + 1))
19	9, 12, 18	rspcedvd 3317	. . . . 5 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑥 ∈ (1..^𝑁)) → ∃𝑦 ∈ (0..^(𝑁 − 1))𝑥 = (𝑦 + 1))
20		fveq2 6191	. . . . . . . 8 ⊢ (𝑥 = (𝑦 + 1) → ((𝐹 cyclShift 𝐽)‘𝑥) = ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)))
21	20	3ad2ant3 1084	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1)) ∧ 𝑥 = (𝑦 + 1)) → ((𝐹 cyclShift 𝐽)‘𝑥) = ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)))
22		elfzoelz 12470	. . . . . . . . . . . . . 14 ⊢ (𝑦 ∈ (0..^(𝑁 − 1)) → 𝑦 ∈ ℤ)
23	22	zcnd 11483	. . . . . . . . . . . . 13 ⊢ (𝑦 ∈ (0..^(𝑁 − 1)) → 𝑦 ∈ ℂ)
24	23	adantl 482	. . . . . . . . . . . 12 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝑦 ∈ ℂ)
25		elfzoelz 12470	. . . . . . . . . . . . . . 15 ⊢ (𝐽 ∈ (0..^𝑁) → 𝐽 ∈ ℤ)
26	25	zcnd 11483	. . . . . . . . . . . . . 14 ⊢ (𝐽 ∈ (0..^𝑁) → 𝐽 ∈ ℂ)
27	26	3ad2ant3 1084	. . . . . . . . . . . . 13 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → 𝐽 ∈ ℂ)
28	27	adantr 481	. . . . . . . . . . . 12 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝐽 ∈ ℂ)
29		1cnd 10056	. . . . . . . . . . . 12 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 1 ∈ ℂ)
30		add32r 10255	. . . . . . . . . . . 12 ⊢ ((𝑦 ∈ ℂ ∧ 𝐽 ∈ ℂ ∧ 1 ∈ ℂ) → (𝑦 + (𝐽 + 1)) = ((𝑦 + 1) + 𝐽))
31	24, 28, 29, 30	syl3anc 1326	. . . . . . . . . . 11 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + (𝐽 + 1)) = ((𝑦 + 1) + 𝐽))
32	31	oveq1d 6665	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → ((𝑦 + (𝐽 + 1)) mod (#‘𝐹)) = (((𝑦 + 1) + 𝐽) mod (#‘𝐹)))
33	32	fveq2d 6195	. . . . . . . . 9 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝐹‘((𝑦 + (𝐽 + 1)) mod (#‘𝐹))) = (𝐹‘(((𝑦 + 1) + 𝐽) mod (#‘𝐹))))
34		simpl1 1064	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝐹 ∈ Word 𝑆)
35	25	peano2zd 11485	. . . . . . . . . . . 12 ⊢ (𝐽 ∈ (0..^𝑁) → (𝐽 + 1) ∈ ℤ)
36	35	3ad2ant3 1084	. . . . . . . . . . 11 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐽 + 1) ∈ ℤ)
37	36	adantr 481	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝐽 + 1) ∈ ℤ)
38		fzossrbm1 12497	. . . . . . . . . . . . . . 15 ⊢ (𝑁 ∈ ℤ → (0..^(𝑁 − 1)) ⊆ (0..^𝑁))
39	2, 38	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝐽 ∈ (0..^𝑁) → (0..^(𝑁 − 1)) ⊆ (0..^𝑁))
40	39	sseld 3602	. . . . . . . . . . . . 13 ⊢ (𝐽 ∈ (0..^𝑁) → (𝑦 ∈ (0..^(𝑁 − 1)) → 𝑦 ∈ (0..^𝑁)))
41	40	3ad2ant3 1084	. . . . . . . . . . . 12 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝑦 ∈ (0..^(𝑁 − 1)) → 𝑦 ∈ (0..^𝑁)))
42	41	imp 445	. . . . . . . . . . 11 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝑦 ∈ (0..^𝑁))
43		oveq2 6658	. . . . . . . . . . . . . 14 ⊢ (𝑁 = (#‘𝐹) → (0..^𝑁) = (0..^(#‘𝐹)))
44	43	eleq2d 2687	. . . . . . . . . . . . 13 ⊢ (𝑁 = (#‘𝐹) → (𝑦 ∈ (0..^𝑁) ↔ 𝑦 ∈ (0..^(#‘𝐹))))
45	44	3ad2ant2 1083	. . . . . . . . . . . 12 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝑦 ∈ (0..^𝑁) ↔ 𝑦 ∈ (0..^(#‘𝐹))))
46	45	adantr 481	. . . . . . . . . . 11 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 ∈ (0..^𝑁) ↔ 𝑦 ∈ (0..^(#‘𝐹))))
47	42, 46	mpbid 222	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝑦 ∈ (0..^(#‘𝐹)))
48		cshwidxmod 13549	. . . . . . . . . 10 ⊢ ((𝐹 ∈ Word 𝑆 ∧ (𝐽 + 1) ∈ ℤ ∧ 𝑦 ∈ (0..^(#‘𝐹))) → ((𝐹 cyclShift (𝐽 + 1))‘𝑦) = (𝐹‘((𝑦 + (𝐽 + 1)) mod (#‘𝐹))))
49	34, 37, 47, 48	syl3anc 1326	. . . . . . . . 9 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → ((𝐹 cyclShift (𝐽 + 1))‘𝑦) = (𝐹‘((𝑦 + (𝐽 + 1)) mod (#‘𝐹))))
50	25	3ad2ant3 1084	. . . . . . . . . . 11 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → 𝐽 ∈ ℤ)
51	50	adantr 481	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → 𝐽 ∈ ℤ)
52		fzo0ss1 12498	. . . . . . . . . . . 12 ⊢ (1..^𝑁) ⊆ (0..^𝑁)
53	2	3ad2ant3 1084	. . . . . . . . . . . . 13 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → 𝑁 ∈ ℤ)
54	53, 3	sylan 488	. . . . . . . . . . . 12 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + 1) ∈ (1..^𝑁))
55	52, 54	sseldi 3601	. . . . . . . . . . 11 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + 1) ∈ (0..^𝑁))
56	43	eleq2d 2687	. . . . . . . . . . . . 13 ⊢ (𝑁 = (#‘𝐹) → ((𝑦 + 1) ∈ (0..^𝑁) ↔ (𝑦 + 1) ∈ (0..^(#‘𝐹))))
57	56	3ad2ant2 1083	. . . . . . . . . . . 12 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → ((𝑦 + 1) ∈ (0..^𝑁) ↔ (𝑦 + 1) ∈ (0..^(#‘𝐹))))
58	57	adantr 481	. . . . . . . . . . 11 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → ((𝑦 + 1) ∈ (0..^𝑁) ↔ (𝑦 + 1) ∈ (0..^(#‘𝐹))))
59	55, 58	mpbid 222	. . . . . . . . . 10 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → (𝑦 + 1) ∈ (0..^(#‘𝐹)))
60		cshwidxmod 13549	. . . . . . . . . 10 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ ℤ ∧ (𝑦 + 1) ∈ (0..^(#‘𝐹))) → ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)) = (𝐹‘(((𝑦 + 1) + 𝐽) mod (#‘𝐹))))
61	34, 51, 59, 60	syl3anc 1326	. . . . . . . . 9 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)) = (𝐹‘(((𝑦 + 1) + 𝐽) mod (#‘𝐹))))
62	33, 49, 61	3eqtr4rd 2667	. . . . . . . 8 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1))) → ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)) = ((𝐹 cyclShift (𝐽 + 1))‘𝑦))
63	62	3adant3 1081	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1)) ∧ 𝑥 = (𝑦 + 1)) → ((𝐹 cyclShift 𝐽)‘(𝑦 + 1)) = ((𝐹 cyclShift (𝐽 + 1))‘𝑦))
64	21, 63	eqtrd 2656	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1)) ∧ 𝑥 = (𝑦 + 1)) → ((𝐹 cyclShift 𝐽)‘𝑥) = ((𝐹 cyclShift (𝐽 + 1))‘𝑦))
65	64	eqeq1d 2624	. . . . 5 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ 𝑦 ∈ (0..^(𝑁 − 1)) ∧ 𝑥 = (𝑦 + 1)) → (((𝐹 cyclShift 𝐽)‘𝑥) = 𝑧 ↔ ((𝐹 cyclShift (𝐽 + 1))‘𝑦) = 𝑧))
66	7, 19, 65	rexxfrd2 4885	. . . 4 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (∃𝑥 ∈ (1..^𝑁)((𝐹 cyclShift 𝐽)‘𝑥) = 𝑧 ↔ ∃𝑦 ∈ (0..^(𝑁 − 1))((𝐹 cyclShift (𝐽 + 1))‘𝑦) = 𝑧))
67	66	abbidv 2741	. . 3 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → {𝑧 ∣ ∃𝑥 ∈ (1..^𝑁)((𝐹 cyclShift 𝐽)‘𝑥) = 𝑧} = {𝑧 ∣ ∃𝑦 ∈ (0..^(𝑁 − 1))((𝐹 cyclShift (𝐽 + 1))‘𝑦) = 𝑧})
68	25	anim2i 593	. . . . . . 7 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ ℤ))
69	68	3adant2 1080	. . . . . 6 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ ℤ))
70		cshwfn 13547	. . . . . 6 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ ℤ) → (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹)))
71	69, 70	syl 17	. . . . 5 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹)))
72		fnfun 5988	. . . . . . 7 ⊢ ((𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹)) → Fun (𝐹 cyclShift 𝐽))
73	72	adantl 482	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹))) → Fun (𝐹 cyclShift 𝐽))
74	43	3ad2ant2 1083	. . . . . . . . 9 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (0..^𝑁) = (0..^(#‘𝐹)))
75	52, 74	syl5sseq 3653	. . . . . . . 8 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (1..^𝑁) ⊆ (0..^(#‘𝐹)))
76	75	adantr 481	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹))) → (1..^𝑁) ⊆ (0..^(#‘𝐹)))
77		fndm 5990	. . . . . . . 8 ⊢ ((𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹)) → dom (𝐹 cyclShift 𝐽) = (0..^(#‘𝐹)))
78	77	adantl 482	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹))) → dom (𝐹 cyclShift 𝐽) = (0..^(#‘𝐹)))
79	76, 78	sseqtr4d 3642	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹))) → (1..^𝑁) ⊆ dom (𝐹 cyclShift 𝐽))
80	73, 79	jca 554	. . . . 5 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift 𝐽) Fn (0..^(#‘𝐹))) → (Fun (𝐹 cyclShift 𝐽) ∧ (1..^𝑁) ⊆ dom (𝐹 cyclShift 𝐽)))
81	71, 80	mpdan 702	. . . 4 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (Fun (𝐹 cyclShift 𝐽) ∧ (1..^𝑁) ⊆ dom (𝐹 cyclShift 𝐽)))
82		dfimafn 6245	. . . 4 ⊢ ((Fun (𝐹 cyclShift 𝐽) ∧ (1..^𝑁) ⊆ dom (𝐹 cyclShift 𝐽)) → ((𝐹 cyclShift 𝐽) “ (1..^𝑁)) = {𝑧 ∣ ∃𝑥 ∈ (1..^𝑁)((𝐹 cyclShift 𝐽)‘𝑥) = 𝑧})
83	81, 82	syl 17	. . 3 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → ((𝐹 cyclShift 𝐽) “ (1..^𝑁)) = {𝑧 ∣ ∃𝑥 ∈ (1..^𝑁)((𝐹 cyclShift 𝐽)‘𝑥) = 𝑧})
84	35	anim2i 593	. . . . . . 7 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 ∈ Word 𝑆 ∧ (𝐽 + 1) ∈ ℤ))
85	84	3adant2 1080	. . . . . 6 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 ∈ Word 𝑆 ∧ (𝐽 + 1) ∈ ℤ))
86		cshwfn 13547	. . . . . 6 ⊢ ((𝐹 ∈ Word 𝑆 ∧ (𝐽 + 1) ∈ ℤ) → (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹)))
87	85, 86	syl 17	. . . . 5 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹)))
88		fnfun 5988	. . . . . . 7 ⊢ ((𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹)) → Fun (𝐹 cyclShift (𝐽 + 1)))
89	88	adantl 482	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹))) → Fun (𝐹 cyclShift (𝐽 + 1)))
90	39	3ad2ant3 1084	. . . . . . . . 9 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (0..^(𝑁 − 1)) ⊆ (0..^𝑁))
91		oveq2 6658	. . . . . . . . . . 11 ⊢ ((#‘𝐹) = 𝑁 → (0..^(#‘𝐹)) = (0..^𝑁))
92	91	eqcoms 2630	. . . . . . . . . 10 ⊢ (𝑁 = (#‘𝐹) → (0..^(#‘𝐹)) = (0..^𝑁))
93	92	3ad2ant2 1083	. . . . . . . . 9 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (0..^(#‘𝐹)) = (0..^𝑁))
94	90, 93	sseqtr4d 3642	. . . . . . . 8 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (0..^(𝑁 − 1)) ⊆ (0..^(#‘𝐹)))
95	94	adantr 481	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹))) → (0..^(𝑁 − 1)) ⊆ (0..^(#‘𝐹)))
96		fndm 5990	. . . . . . . 8 ⊢ ((𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹)) → dom (𝐹 cyclShift (𝐽 + 1)) = (0..^(#‘𝐹)))
97	96	adantl 482	. . . . . . 7 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹))) → dom (𝐹 cyclShift (𝐽 + 1)) = (0..^(#‘𝐹)))
98	95, 97	sseqtr4d 3642	. . . . . 6 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹))) → (0..^(𝑁 − 1)) ⊆ dom (𝐹 cyclShift (𝐽 + 1)))
99	89, 98	jca 554	. . . . 5 ⊢ (((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) ∧ (𝐹 cyclShift (𝐽 + 1)) Fn (0..^(#‘𝐹))) → (Fun (𝐹 cyclShift (𝐽 + 1)) ∧ (0..^(𝑁 − 1)) ⊆ dom (𝐹 cyclShift (𝐽 + 1))))
100	87, 99	mpdan 702	. . . 4 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (Fun (𝐹 cyclShift (𝐽 + 1)) ∧ (0..^(𝑁 − 1)) ⊆ dom (𝐹 cyclShift (𝐽 + 1))))
101		dfimafn 6245	. . . 4 ⊢ ((Fun (𝐹 cyclShift (𝐽 + 1)) ∧ (0..^(𝑁 − 1)) ⊆ dom (𝐹 cyclShift (𝐽 + 1))) → ((𝐹 cyclShift (𝐽 + 1)) “ (0..^(𝑁 − 1))) = {𝑧 ∣ ∃𝑦 ∈ (0..^(𝑁 − 1))((𝐹 cyclShift (𝐽 + 1))‘𝑦) = 𝑧})
102	100, 101	syl 17	. . 3 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → ((𝐹 cyclShift (𝐽 + 1)) “ (0..^(𝑁 − 1))) = {𝑧 ∣ ∃𝑦 ∈ (0..^(𝑁 − 1))((𝐹 cyclShift (𝐽 + 1))‘𝑦) = 𝑧})
103	67, 83, 102	3eqtr4d 2666	. 2 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → ((𝐹 cyclShift 𝐽) “ (1..^𝑁)) = ((𝐹 cyclShift (𝐽 + 1)) “ (0..^(𝑁 − 1))))
104	1, 103	eqtrd 2656	1 ⊢ ((𝐹 ∈ Word 𝑆 ∧ 𝑁 = (#‘𝐹) ∧ 𝐽 ∈ (0..^𝑁)) → (𝐹 “ ((0..^𝑁) ∖ {𝐽})) = ((𝐹 cyclShift (𝐽 + 1)) “ (0..^(𝑁 − 1))))

Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 384   ∧ w3a 1037   = wceq 1483   ∈ wcel 1990  {cab 2608  ∃wrex 2913   ∖ cdif 3571   ⊆ wss 3574  {csn 4177  dom cdm 5114   “ cima 5117  Fun wfun 5882   Fn wfn 5883  ‘cfv 5888  (class class class)co 6650  ℂcc 9934  0cc0 9936  1c1 9937   + caddc 9939   − cmin 10266  ℤcz 11377  ..^cfzo 12465   mod cmo 12668  #chash 13117  Word cword 13291   cyclShift ccsh 13534

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013  ax-pre-sup 10014

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-oadd 7564  df-er 7742  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-sup 8348  df-inf 8349  df-card 8765  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-div 10685  df-nn 11021  df-2 11079  df-n0 11293  df-z 11378  df-uz 11688  df-rp 11833  df-ico 12181  df-fz 12327  df-fzo 12466  df-fl 12593  df-mod 12669  df-hash 13118  df-word 13299  df-concat 13301  df-substr 13303  df-csh 13535

This theorem is referenced by:  eucrct2eupth  27105