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Theorem cshweqdif2 13970

Description: If cyclically shifting two words (of the same length) results in the same word, cyclically shifting one of the words by the difference of the numbers of shifts results in the other word. (Contributed by AV, 21-Apr-2018.) (Revised by AV, 6-Jun-2018.) (Revised by AV, 1-Nov-2018.)

**Assertion**
Ref	Expression
cshweqdif2	⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → ((𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀) → (𝑈 cyclShift (𝑀 − 𝑁)) = 𝑊))

**Proof of Theorem cshweqdif2**
Step	Hyp	Ref	Expression
1		simpr 479	. . . . . . . . 9 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) → 𝑈 ∈ Word 𝑉)
2	1	adantr 474	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → 𝑈 ∈ Word 𝑉)
3		zsubcl 11771	. . . . . . . . . 10 ⊢ ((𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) → (𝑀 − 𝑁) ∈ ℤ)
4	3	ancoms 452	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → (𝑀 − 𝑁) ∈ ℤ)
5	4	adantl 475	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑀 − 𝑁) ∈ ℤ)
6		simpr 479	. . . . . . . . 9 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ ℤ)
7	6	adantl 475	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → 𝑀 ∈ ℤ)
8	2, 5, 7	3jca 1119	. . . . . . 7 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑈 ∈ Word 𝑉 ∧ (𝑀 − 𝑁) ∈ ℤ ∧ 𝑀 ∈ ℤ))
9	8	adantr 474	. . . . . 6 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 ∈ Word 𝑉 ∧ (𝑀 − 𝑁) ∈ ℤ ∧ 𝑀 ∈ ℤ))
10		3cshw 13969	. . . . . 6 ⊢ ((𝑈 ∈ Word 𝑉 ∧ (𝑀 − 𝑁) ∈ ℤ ∧ 𝑀 ∈ ℤ) → (𝑈 cyclShift (𝑀 − 𝑁)) = (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑈) − 𝑀)))
11	9, 10	syl 17	. . . . 5 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 cyclShift (𝑀 − 𝑁)) = (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑈) − 𝑀)))
12		simpl 476	. . . . . . . . . 10 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉))
13	12	ancomd 455	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑈 ∈ Word 𝑉 ∧ 𝑊 ∈ Word 𝑉))
14	13	adantr 474	. . . . . . . 8 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 ∈ Word 𝑉 ∧ 𝑊 ∈ Word 𝑉))
15		simpr 479	. . . . . . . . . 10 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ))
16	15	ancomd 455	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ))
17	16	adantr 474	. . . . . . . 8 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ))
18		simpr 479	. . . . . . . . 9 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀))
19	18	eqcomd 2784	. . . . . . . 8 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 cyclShift 𝑀) = (𝑊 cyclShift 𝑁))
20		cshwleneq 13968	. . . . . . . 8 ⊢ (((𝑈 ∈ Word 𝑉 ∧ 𝑊 ∈ Word 𝑉) ∧ (𝑀 ∈ ℤ ∧ 𝑁 ∈ ℤ) ∧ (𝑈 cyclShift 𝑀) = (𝑊 cyclShift 𝑁)) → (♯‘𝑈) = (♯‘𝑊))
21	14, 17, 19, 20	syl3anc 1439	. . . . . . 7 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (♯‘𝑈) = (♯‘𝑊))
22	21	oveq1d 6937	. . . . . 6 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → ((♯‘𝑈) − 𝑀) = ((♯‘𝑊) − 𝑀))
23	22	oveq2d 6938	. . . . 5 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑈) − 𝑀)) = (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑊) − 𝑀)))
24	11, 23	eqtrd 2814	. . . 4 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 cyclShift (𝑀 − 𝑁)) = (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑊) − 𝑀)))
25	19	oveq1d 6937	. . . . . 6 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → ((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) = ((𝑊 cyclShift 𝑁) cyclShift (𝑀 − 𝑁)))
26		simpl 476	. . . . . . . . . 10 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) → 𝑊 ∈ Word 𝑉)
27	26	adantr 474	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → 𝑊 ∈ Word 𝑉)
28		simpl 476	. . . . . . . . . 10 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → 𝑁 ∈ ℤ)
29	28	adantl 475	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → 𝑁 ∈ ℤ)
30	27, 29, 5	3jca 1119	. . . . . . . 8 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ∧ (𝑀 − 𝑁) ∈ ℤ))
31	30	adantr 474	. . . . . . 7 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ∧ (𝑀 − 𝑁) ∈ ℤ))
32		2cshw 13964	. . . . . . 7 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑁 ∈ ℤ ∧ (𝑀 − 𝑁) ∈ ℤ) → ((𝑊 cyclShift 𝑁) cyclShift (𝑀 − 𝑁)) = (𝑊 cyclShift (𝑁 + (𝑀 − 𝑁))))
33	31, 32	syl 17	. . . . . 6 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → ((𝑊 cyclShift 𝑁) cyclShift (𝑀 − 𝑁)) = (𝑊 cyclShift (𝑁 + (𝑀 − 𝑁))))
34		zcn 11733	. . . . . . . . . . 11 ⊢ (𝑁 ∈ ℤ → 𝑁 ∈ ℂ)
35		zcn 11733	. . . . . . . . . . 11 ⊢ (𝑀 ∈ ℤ → 𝑀 ∈ ℂ)
36	34, 35	anim12i 606	. . . . . . . . . 10 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → (𝑁 ∈ ℂ ∧ 𝑀 ∈ ℂ))
37	36	adantl 475	. . . . . . . . 9 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑁 ∈ ℂ ∧ 𝑀 ∈ ℂ))
38	37	adantr 474	. . . . . . . 8 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑁 ∈ ℂ ∧ 𝑀 ∈ ℂ))
39		pncan3 10630	. . . . . . . 8 ⊢ ((𝑁 ∈ ℂ ∧ 𝑀 ∈ ℂ) → (𝑁 + (𝑀 − 𝑁)) = 𝑀)
40	38, 39	syl 17	. . . . . . 7 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑁 + (𝑀 − 𝑁)) = 𝑀)
41	40	oveq2d 6938	. . . . . 6 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 cyclShift (𝑁 + (𝑀 − 𝑁))) = (𝑊 cyclShift 𝑀))
42	25, 33, 41	3eqtrd 2818	. . . . 5 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → ((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) = (𝑊 cyclShift 𝑀))
43	42	oveq1d 6937	. . . 4 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (((𝑈 cyclShift 𝑀) cyclShift (𝑀 − 𝑁)) cyclShift ((♯‘𝑊) − 𝑀)) = ((𝑊 cyclShift 𝑀) cyclShift ((♯‘𝑊) − 𝑀)))
44		lencl 13621	. . . . . . . . . 10 ⊢ (𝑊 ∈ Word 𝑉 → (♯‘𝑊) ∈ ℕ₀)
45	44	nn0zd 11832	. . . . . . . . 9 ⊢ (𝑊 ∈ Word 𝑉 → (♯‘𝑊) ∈ ℤ)
46	45	adantr 474	. . . . . . . 8 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) → (♯‘𝑊) ∈ ℤ)
47		zsubcl 11771	. . . . . . . 8 ⊢ (((♯‘𝑊) ∈ ℤ ∧ 𝑀 ∈ ℤ) → ((♯‘𝑊) − 𝑀) ∈ ℤ)
48	46, 6, 47	syl2an 589	. . . . . . 7 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → ((♯‘𝑊) − 𝑀) ∈ ℤ)
49	27, 7, 48	3jca 1119	. . . . . 6 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑊 ∈ Word 𝑉 ∧ 𝑀 ∈ ℤ ∧ ((♯‘𝑊) − 𝑀) ∈ ℤ))
50	49	adantr 474	. . . . 5 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 ∈ Word 𝑉 ∧ 𝑀 ∈ ℤ ∧ ((♯‘𝑊) − 𝑀) ∈ ℤ))
51		2cshw 13964	. . . . 5 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑀 ∈ ℤ ∧ ((♯‘𝑊) − 𝑀) ∈ ℤ) → ((𝑊 cyclShift 𝑀) cyclShift ((♯‘𝑊) − 𝑀)) = (𝑊 cyclShift (𝑀 + ((♯‘𝑊) − 𝑀))))
52	50, 51	syl 17	. . . 4 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → ((𝑊 cyclShift 𝑀) cyclShift ((♯‘𝑊) − 𝑀)) = (𝑊 cyclShift (𝑀 + ((♯‘𝑊) − 𝑀))))
53	24, 43, 52	3eqtrd 2818	. . 3 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 cyclShift (𝑀 − 𝑁)) = (𝑊 cyclShift (𝑀 + ((♯‘𝑊) − 𝑀))))
54	44	nn0cnd 11704	. . . . . . . . 9 ⊢ (𝑊 ∈ Word 𝑉 → (♯‘𝑊) ∈ ℂ)
55	54	adantr 474	. . . . . . . 8 ⊢ ((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) → (♯‘𝑊) ∈ ℂ)
56	35	adantl 475	. . . . . . . 8 ⊢ ((𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ) → 𝑀 ∈ ℂ)
57	55, 56	anim12i 606	. . . . . . 7 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → ((♯‘𝑊) ∈ ℂ ∧ 𝑀 ∈ ℂ))
58	57	ancomd 455	. . . . . 6 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑀 ∈ ℂ ∧ (♯‘𝑊) ∈ ℂ))
59	58	adantr 474	. . . . 5 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑀 ∈ ℂ ∧ (♯‘𝑊) ∈ ℂ))
60		pncan3 10630	. . . . 5 ⊢ ((𝑀 ∈ ℂ ∧ (♯‘𝑊) ∈ ℂ) → (𝑀 + ((♯‘𝑊) − 𝑀)) = (♯‘𝑊))
61	59, 60	syl 17	. . . 4 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑀 + ((♯‘𝑊) − 𝑀)) = (♯‘𝑊))
62	61	oveq2d 6938	. . 3 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 cyclShift (𝑀 + ((♯‘𝑊) − 𝑀))) = (𝑊 cyclShift (♯‘𝑊)))
63		cshwn 13948	. . . . 5 ⊢ (𝑊 ∈ Word 𝑉 → (𝑊 cyclShift (♯‘𝑊)) = 𝑊)
64	27, 63	syl 17	. . . 4 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → (𝑊 cyclShift (♯‘𝑊)) = 𝑊)
65	64	adantr 474	. . 3 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑊 cyclShift (♯‘𝑊)) = 𝑊)
66	53, 62, 65	3eqtrd 2818	. 2 ⊢ ((((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) ∧ (𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀)) → (𝑈 cyclShift (𝑀 − 𝑁)) = 𝑊)
67	66	ex 403	1 ⊢ (((𝑊 ∈ Word 𝑉 ∧ 𝑈 ∈ Word 𝑉) ∧ (𝑁 ∈ ℤ ∧ 𝑀 ∈ ℤ)) → ((𝑊 cyclShift 𝑁) = (𝑈 cyclShift 𝑀) → (𝑈 cyclShift (𝑀 − 𝑁)) = 𝑊))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ∧ wa 386 ∧ w3a 1071 = wceq 1601 ∈ wcel 2107 ‘cfv 6135 (class class class)co 6922 ℂcc 10270 + caddc 10275 − cmin 10606 ℤcz 11728 ♯chash 13435 Word cword 13599 cyclShift ccsh 13934

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1839 ax-4 1853 ax-5 1953 ax-6 2021 ax-7 2055 ax-8 2109 ax-9 2116 ax-10 2135 ax-11 2150 ax-12 2163 ax-13 2334 ax-ext 2754 ax-rep 5006 ax-sep 5017 ax-nul 5025 ax-pow 5077 ax-pr 5138 ax-un 7226 ax-cnex 10328 ax-resscn 10329 ax-1cn 10330 ax-icn 10331 ax-addcl 10332 ax-addrcl 10333 ax-mulcl 10334 ax-mulrcl 10335 ax-mulcom 10336 ax-addass 10337 ax-mulass 10338 ax-distr 10339 ax-i2m1 10340 ax-1ne0 10341 ax-1rid 10342 ax-rnegex 10343 ax-rrecex 10344 ax-cnre 10345 ax-pre-lttri 10346 ax-pre-lttrn 10347 ax-pre-ltadd 10348 ax-pre-mulgt0 10349 ax-pre-sup 10350

This theorem depends on definitions: df-bi 199 df-an 387 df-or 837 df-3or 1072 df-3an 1073 df-tru 1605 df-ex 1824 df-nf 1828 df-sb 2012 df-mo 2551 df-eu 2587 df-clab 2764 df-cleq 2770 df-clel 2774 df-nfc 2921 df-ne 2970 df-nel 3076 df-ral 3095 df-rex 3096 df-reu 3097 df-rmo 3098 df-rab 3099 df-v 3400 df-sbc 3653 df-csb 3752 df-dif 3795 df-un 3797 df-in 3799 df-ss 3806 df-pss 3808 df-nul 4142 df-if 4308 df-pw 4381 df-sn 4399 df-pr 4401 df-tp 4403 df-op 4405 df-uni 4672 df-int 4711 df-iun 4755 df-br 4887 df-opab 4949 df-mpt 4966 df-tr 4988 df-id 5261 df-eprel 5266 df-po 5274 df-so 5275 df-fr 5314 df-we 5316 df-xp 5361 df-rel 5362 df-cnv 5363 df-co 5364 df-dm 5365 df-rn 5366 df-res 5367 df-ima 5368 df-pred 5933 df-ord 5979 df-on 5980 df-lim 5981 df-suc 5982 df-iota 6099 df-fun 6137 df-fn 6138 df-f 6139 df-f1 6140 df-fo 6141 df-f1o 6142 df-fv 6143 df-riota 6883 df-ov 6925 df-oprab 6926 df-mpt2 6927 df-om 7344 df-1st 7445 df-2nd 7446 df-wrecs 7689 df-recs 7751 df-rdg 7789 df-1o 7843 df-oadd 7847 df-er 8026 df-en 8242 df-dom 8243 df-sdom 8244 df-fin 8245 df-sup 8636 df-inf 8637 df-card 9098 df-pnf 10413 df-mnf 10414 df-xr 10415 df-ltxr 10416 df-le 10417 df-sub 10608 df-neg 10609 df-div 11033 df-nn 11375 df-2 11438 df-n0 11643 df-z 11729 df-uz 11993 df-rp 12138 df-fz 12644 df-fzo 12785 df-fl 12912 df-mod 12988 df-hash 13436 df-word 13600 df-concat 13661 df-substr 13731 df-pfx 13780 df-csh 13936

This theorem is referenced by: cshweqdifid 13971

W3C validator