cycpmconjv - Mathbox for Thierry Arnoux

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Theorem cycpmconjv 33235

Description: A formula for computing conjugacy classes of cyclic permutations. Formula in property (b) of [Lang] p. 32. (Contributed by Thierry Arnoux, 9-Oct-2023.)

**Hypotheses**
Ref	Expression
cycpmconjv.s	⊢ 𝑆 = (SymGrp‘𝐷)
cycpmconjv.m	⊢ 𝑀 = (toCyc‘𝐷)
cycpmconjv.p	⊢ + = (+_g‘𝑆)
cycpmconjv.l	⊢ − = (-_g‘𝑆)
cycpmconjv.b	⊢ 𝐵 = (Base‘𝑆)

**Assertion**
Ref	Expression
cycpmconjv	⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = (𝑀‘(𝐺 ∘ 𝑊)))

Proof of Theorem cycpmconjv Dummy variable 𝑤 is distinct from all other variables.

Step	Hyp	Ref	Expression
1		cycpmconjv.s	. . . . . . 7 ⊢ 𝑆 = (SymGrp‘𝐷)
2		cycpmconjv.b	. . . . . . 7 ⊢ 𝐵 = (Base‘𝑆)
3	1, 2	symgbasf1o 19316	. . . . . 6 ⊢ (𝐺 ∈ 𝐵 → 𝐺:𝐷–1-1-onto→𝐷)
4	3	3ad2ant2 1135	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝐺:𝐷–1-1-onto→𝐷)
5		simp3 1139	. . . . . . . . . 10 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑊 ∈ dom 𝑀)
6		cycpmconjv.m	. . . . . . . . . . . . 13 ⊢ 𝑀 = (toCyc‘𝐷)
7	6, 1, 2	tocycf 33210	. . . . . . . . . . . 12 ⊢ (𝐷 ∈ 𝑉 → 𝑀:{𝑤 ∈ Word 𝐷 ∣ 𝑤:dom 𝑤–1-1→𝐷}⟶𝐵)
8	7	3ad2ant1 1134	. . . . . . . . . . 11 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑀:{𝑤 ∈ Word 𝐷 ∣ 𝑤:dom 𝑤–1-1→𝐷}⟶𝐵)
9	8	fdmd 6680	. . . . . . . . . 10 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → dom 𝑀 = {𝑤 ∈ Word 𝐷 ∣ 𝑤:dom 𝑤–1-1→𝐷})
10	5, 9	eleqtrd 2839	. . . . . . . . 9 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑊 ∈ {𝑤 ∈ Word 𝐷 ∣ 𝑤:dom 𝑤–1-1→𝐷})
11		id 22	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑊 → 𝑤 = 𝑊)
12		dmeq 5860	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑊 → dom 𝑤 = dom 𝑊)
13		eqidd 2738	. . . . . . . . . . 11 ⊢ (𝑤 = 𝑊 → 𝐷 = 𝐷)
14	11, 12, 13	f1eq123d 6774	. . . . . . . . . 10 ⊢ (𝑤 = 𝑊 → (𝑤:dom 𝑤–1-1→𝐷 ↔ 𝑊:dom 𝑊–1-1→𝐷))
15	14	elrab 3648	. . . . . . . . 9 ⊢ (𝑊 ∈ {𝑤 ∈ Word 𝐷 ∣ 𝑤:dom 𝑤–1-1→𝐷} ↔ (𝑊 ∈ Word 𝐷 ∧ 𝑊:dom 𝑊–1-1→𝐷))
16	10, 15	sylib 218	. . . . . . . 8 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝑊 ∈ Word 𝐷 ∧ 𝑊:dom 𝑊–1-1→𝐷))
17	16	simprd 495	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑊:dom 𝑊–1-1→𝐷)
18		f1f 6738	. . . . . . 7 ⊢ (𝑊:dom 𝑊–1-1→𝐷 → 𝑊:dom 𝑊⟶𝐷)
19	17, 18	syl 17	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑊:dom 𝑊⟶𝐷)
20	19	frnd 6678	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ran 𝑊 ⊆ 𝐷)
21	4, 20	cycpmconjvlem 33234	. . . 4 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∘ ^◡𝐺) = ( I ↾ (𝐷 ∖ ran (𝐺 ↾ ran 𝑊))))
22		rnco 6218	. . . . . 6 ⊢ ran (𝐺 ∘ 𝑊) = ran (𝐺 ↾ ran 𝑊)
23	22	difeq2i 4077	. . . . 5 ⊢ (𝐷 ∖ ran (𝐺 ∘ 𝑊)) = (𝐷 ∖ ran (𝐺 ↾ ran 𝑊))
24	23	reseq2i 5943	. . . 4 ⊢ ( I ↾ (𝐷 ∖ ran (𝐺 ∘ 𝑊))) = ( I ↾ (𝐷 ∖ ran (𝐺 ↾ ran 𝑊)))
25	21, 24	eqtr4di 2790	. . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∘ ^◡𝐺) = ( I ↾ (𝐷 ∖ ran (𝐺 ∘ 𝑊))))
26		coass 6232	. . . . 5 ⊢ ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ (^◡𝑊 ∘ ^◡𝐺))
27		cnvco 5842	. . . . . 6 ⊢ ^◡(𝐺 ∘ 𝑊) = (^◡𝑊 ∘ ^◡𝐺)
28	27	coeq2i 5817	. . . . 5 ⊢ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡(𝐺 ∘ 𝑊)) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ (^◡𝑊 ∘ ^◡𝐺))
29	26, 28	eqtr4i 2763	. . . 4 ⊢ ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡(𝐺 ∘ 𝑊))
30	29	a1i 11	. . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡(𝐺 ∘ 𝑊)))
31	25, 30	uneq12d 4123	. 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∘ ^◡𝐺) ∪ ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺)) = (( I ↾ (𝐷 ∖ ran (𝐺 ∘ 𝑊))) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡(𝐺 ∘ 𝑊))))
32		simp2 1138	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝐺 ∈ 𝐵)
33	8, 10	ffvelcdmd 7039	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝑀‘𝑊) ∈ 𝐵)
34		cycpmconjv.p	. . . . . . . 8 ⊢ + = (+_g‘𝑆)
35	1, 2, 34	symgcl 19326	. . . . . . 7 ⊢ ((𝐺 ∈ 𝐵 ∧ (𝑀‘𝑊) ∈ 𝐵) → (𝐺 + (𝑀‘𝑊)) ∈ 𝐵)
36	32, 33, 35	syl2anc 585	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 + (𝑀‘𝑊)) ∈ 𝐵)
37		eqid 2737	. . . . . . 7 ⊢ (inv_g‘𝑆) = (inv_g‘𝑆)
38		cycpmconjv.l	. . . . . . 7 ⊢ − = (-_g‘𝑆)
39	2, 34, 37, 38	grpsubval 18927	. . . . . 6 ⊢ (((𝐺 + (𝑀‘𝑊)) ∈ 𝐵 ∧ 𝐺 ∈ 𝐵) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = ((𝐺 + (𝑀‘𝑊)) + ((inv_g‘𝑆)‘𝐺)))
40	36, 32, 39	syl2anc 585	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = ((𝐺 + (𝑀‘𝑊)) + ((inv_g‘𝑆)‘𝐺)))
41	1, 2, 37	symginv 19343	. . . . . . 7 ⊢ (𝐺 ∈ 𝐵 → ((inv_g‘𝑆)‘𝐺) = ^◡𝐺)
42	41	3ad2ant2 1135	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((inv_g‘𝑆)‘𝐺) = ^◡𝐺)
43	42	oveq2d 7384	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) + ((inv_g‘𝑆)‘𝐺)) = ((𝐺 + (𝑀‘𝑊)) + ^◡𝐺))
44		simp1 1137	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝐷 ∈ 𝑉)
45		f1ocnv 6794	. . . . . . . 8 ⊢ (𝐺:𝐷–1-1-onto→𝐷 → ^◡𝐺:𝐷–1-1-onto→𝐷)
46	4, 45	syl 17	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ^◡𝐺:𝐷–1-1-onto→𝐷)
47	1, 2	elsymgbas 19315	. . . . . . . 8 ⊢ (𝐷 ∈ 𝑉 → (^◡𝐺 ∈ 𝐵 ↔ ^◡𝐺:𝐷–1-1-onto→𝐷))
48	47	biimpar 477	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ ^◡𝐺:𝐷–1-1-onto→𝐷) → ^◡𝐺 ∈ 𝐵)
49	44, 46, 48	syl2anc 585	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ^◡𝐺 ∈ 𝐵)
50	1, 2, 34	symgov 19325	. . . . . 6 ⊢ (((𝐺 + (𝑀‘𝑊)) ∈ 𝐵 ∧ ^◡𝐺 ∈ 𝐵) → ((𝐺 + (𝑀‘𝑊)) + ^◡𝐺) = ((𝐺 + (𝑀‘𝑊)) ∘ ^◡𝐺))
51	36, 49, 50	syl2anc 585	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) + ^◡𝐺) = ((𝐺 + (𝑀‘𝑊)) ∘ ^◡𝐺))
52	40, 43, 51	3eqtrd 2776	. . . 4 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = ((𝐺 + (𝑀‘𝑊)) ∘ ^◡𝐺))
53	1, 2, 34	symgov 19325	. . . . . . . 8 ⊢ ((𝐺 ∈ 𝐵 ∧ (𝑀‘𝑊) ∈ 𝐵) → (𝐺 + (𝑀‘𝑊)) = (𝐺 ∘ (𝑀‘𝑊)))
54	32, 33, 53	syl2anc 585	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 + (𝑀‘𝑊)) = (𝐺 ∘ (𝑀‘𝑊)))
55	16	simpld 494	. . . . . . . . 9 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝑊 ∈ Word 𝐷)
56	6, 44, 55, 17	tocycfv 33202	. . . . . . . 8 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝑀‘𝑊) = (( I ↾ (𝐷 ∖ ran 𝑊)) ∪ ((𝑊 cyclShift 1) ∘ ^◡𝑊)))
57	56	coeq2d 5819	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ (𝑀‘𝑊)) = (𝐺 ∘ (( I ↾ (𝐷 ∖ ran 𝑊)) ∪ ((𝑊 cyclShift 1) ∘ ^◡𝑊))))
58		coundi 6213	. . . . . . . 8 ⊢ (𝐺 ∘ (( I ↾ (𝐷 ∖ ran 𝑊)) ∪ ((𝑊 cyclShift 1) ∘ ^◡𝑊))) = ((𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) ∪ (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊)))
59	58	a1i 11	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ (( I ↾ (𝐷 ∖ ran 𝑊)) ∪ ((𝑊 cyclShift 1) ∘ ^◡𝑊))) = ((𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) ∪ (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊))))
60	54, 57, 59	3eqtrd 2776	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 + (𝑀‘𝑊)) = ((𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) ∪ (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊))))
61		coires1 6231	. . . . . . . 8 ⊢ (𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) = (𝐺 ↾ (𝐷 ∖ ran 𝑊))
62	61	a1i 11	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) = (𝐺 ↾ (𝐷 ∖ ran 𝑊)))
63		coass 6232	. . . . . . . 8 ⊢ ((𝐺 ∘ (𝑊 cyclShift 1)) ∘ ^◡𝑊) = (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊))
64		1zzd 12534	. . . . . . . . . 10 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 1 ∈ ℤ)
65		f1of 6782	. . . . . . . . . . 11 ⊢ (𝐺:𝐷–1-1-onto→𝐷 → 𝐺:𝐷⟶𝐷)
66	4, 65	syl 17	. . . . . . . . . 10 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝐺:𝐷⟶𝐷)
67		cshco 14771	. . . . . . . . . 10 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 1 ∈ ℤ ∧ 𝐺:𝐷⟶𝐷) → (𝐺 ∘ (𝑊 cyclShift 1)) = ((𝐺 ∘ 𝑊) cyclShift 1))
68	55, 64, 66, 67	syl3anc 1374	. . . . . . . . 9 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ (𝑊 cyclShift 1)) = ((𝐺 ∘ 𝑊) cyclShift 1))
69	68	coeq1d 5818	. . . . . . . 8 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 ∘ (𝑊 cyclShift 1)) ∘ ^◡𝑊) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊))
70	63, 69	eqtr3id 2786	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊)) = (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊))
71	62, 70	uneq12d 4123	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 ∘ ( I ↾ (𝐷 ∖ ran 𝑊))) ∪ (𝐺 ∘ ((𝑊 cyclShift 1) ∘ ^◡𝑊))) = ((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊)))
72	60, 71	eqtrd 2772	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 + (𝑀‘𝑊)) = ((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊)))
73	72	coeq1d 5818	. . . 4 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) ∘ ^◡𝐺) = (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊)) ∘ ^◡𝐺))
74	52, 73	eqtrd 2772	. . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊)) ∘ ^◡𝐺))
75		coundir 6214	. . 3 ⊢ (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊)) ∘ ^◡𝐺) = (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∘ ^◡𝐺) ∪ ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺))
76	74, 75	eqtrdi 2788	. 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = (((𝐺 ↾ (𝐷 ∖ ran 𝑊)) ∘ ^◡𝐺) ∪ ((((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡𝑊) ∘ ^◡𝐺)))
77		wrdco 14766	. . . 4 ⊢ ((𝑊 ∈ Word 𝐷 ∧ 𝐺:𝐷⟶𝐷) → (𝐺 ∘ 𝑊) ∈ Word 𝐷)
78	55, 66, 77	syl2anc 585	. . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ 𝑊) ∈ Word 𝐷)
79		f1of1 6781	. . . . . 6 ⊢ (𝐺:𝐷–1-1-onto→𝐷 → 𝐺:𝐷–1-1→𝐷)
80	4, 79	syl 17	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → 𝐺:𝐷–1-1→𝐷)
81		f1co 6749	. . . . 5 ⊢ ((𝐺:𝐷–1-1→𝐷 ∧ 𝑊:dom 𝑊–1-1→𝐷) → (𝐺 ∘ 𝑊):dom 𝑊–1-1→𝐷)
82	80, 17, 81	syl2anc 585	. . . 4 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ 𝑊):dom 𝑊–1-1→𝐷)
83	66	fdmd 6680	. . . . . . 7 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → dom 𝐺 = 𝐷)
84	20, 83	sseqtrrd 3973	. . . . . 6 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ran 𝑊 ⊆ dom 𝐺)
85		dmcosseq 5935	. . . . . 6 ⊢ (ran 𝑊 ⊆ dom 𝐺 → dom (𝐺 ∘ 𝑊) = dom 𝑊)
86	84, 85	syl 17	. . . . 5 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → dom (𝐺 ∘ 𝑊) = dom 𝑊)
87		f1eq2 6734	. . . . 5 ⊢ (dom (𝐺 ∘ 𝑊) = dom 𝑊 → ((𝐺 ∘ 𝑊):dom (𝐺 ∘ 𝑊)–1-1→𝐷 ↔ (𝐺 ∘ 𝑊):dom 𝑊–1-1→𝐷))
88	86, 87	syl 17	. . . 4 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 ∘ 𝑊):dom (𝐺 ∘ 𝑊)–1-1→𝐷 ↔ (𝐺 ∘ 𝑊):dom 𝑊–1-1→𝐷))
89	82, 88	mpbird 257	. . 3 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝐺 ∘ 𝑊):dom (𝐺 ∘ 𝑊)–1-1→𝐷)
90	6, 44, 78, 89	tocycfv 33202	. 2 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → (𝑀‘(𝐺 ∘ 𝑊)) = (( I ↾ (𝐷 ∖ ran (𝐺 ∘ 𝑊))) ∪ (((𝐺 ∘ 𝑊) cyclShift 1) ∘ ^◡(𝐺 ∘ 𝑊))))
91	31, 76, 90	3eqtr4d 2782	1 ⊢ ((𝐷 ∈ 𝑉 ∧ 𝐺 ∈ 𝐵 ∧ 𝑊 ∈ dom 𝑀) → ((𝐺 + (𝑀‘𝑊)) − 𝐺) = (𝑀‘(𝐺 ∘ 𝑊)))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 ∧ w3a 1087 = wceq 1542 ∈ wcel 2114 {crab 3401 ∖ cdif 3900 ∪ cun 3901 ⊆ wss 3903 I cid 5526 ^◡ccnv 5631 dom cdm 5632 ran crn 5633 ↾ cres 5634 ∘ ccom 5636 ⟶wf 6496 –1-1→wf1 6497 –1-1-onto→wf1o 6499 ‘cfv 6500 (class class class)co 7368 1c1 11039 ℤcz 12500 Word cword 14448 cyclShift ccsh 14723 Basecbs 17148 +_gcplusg 17189 inv_gcminusg 18876 -_gcsg 18877 SymGrpcsymg 19310 toCycctocyc 33199

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 5226 ax-sep 5243 ax-nul 5253 ax-pow 5312 ax-pr 5379 ax-un 7690 ax-cnex 11094 ax-resscn 11095 ax-1cn 11096 ax-icn 11097 ax-addcl 11098 ax-addrcl 11099 ax-mulcl 11100 ax-mulrcl 11101 ax-mulcom 11102 ax-addass 11103 ax-mulass 11104 ax-distr 11105 ax-i2m1 11106 ax-1ne0 11107 ax-1rid 11108 ax-rnegex 11109 ax-rrecex 11110 ax-cnre 11111 ax-pre-lttri 11112 ax-pre-lttrn 11113 ax-pre-ltadd 11114 ax-pre-mulgt0 11115 ax-pre-sup 11116

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 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 3352 df-reu 3353 df-rab 3402 df-v 3444 df-sbc 3743 df-csb 3852 df-dif 3906 df-un 3908 df-in 3910 df-ss 3920 df-pss 3923 df-nul 4288 df-if 4482 df-pw 4558 df-sn 4583 df-pr 4585 df-tp 4587 df-op 4589 df-uni 4866 df-int 4905 df-iun 4950 df-br 5101 df-opab 5163 df-mpt 5182 df-tr 5208 df-id 5527 df-eprel 5532 df-po 5540 df-so 5541 df-fr 5585 df-we 5587 df-xp 5638 df-rel 5639 df-cnv 5640 df-co 5641 df-dm 5642 df-rn 5643 df-res 5644 df-ima 5645 df-pred 6267 df-ord 6328 df-on 6329 df-lim 6330 df-suc 6331 df-iota 6456 df-fun 6502 df-fn 6503 df-f 6504 df-f1 6505 df-fo 6506 df-f1o 6507 df-fv 6508 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-frecs 8233 df-wrecs 8264 df-recs 8313 df-rdg 8351 df-1o 8407 df-er 8645 df-map 8777 df-en 8896 df-dom 8897 df-sdom 8898 df-fin 8899 df-sup 9357 df-inf 9358 df-card 9863 df-pnf 11180 df-mnf 11181 df-xr 11182 df-ltxr 11183 df-le 11184 df-sub 11378 df-neg 11379 df-div 11807 df-nn 12158 df-2 12220 df-3 12221 df-4 12222 df-5 12223 df-6 12224 df-7 12225 df-8 12226 df-9 12227 df-n0 12414 df-z 12501 df-uz 12764 df-rp 12918 df-fz 13436 df-fzo 13583 df-fl 13724 df-mod 13802 df-hash 14266 df-word 14449 df-concat 14506 df-substr 14577 df-pfx 14607 df-csh 14724 df-struct 17086 df-sets 17103 df-slot 17121 df-ndx 17133 df-base 17149 df-ress 17170 df-plusg 17202 df-tset 17208 df-0g 17373 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-submnd 18721 df-efmnd 18806 df-grp 18878 df-minusg 18879 df-sbg 18880 df-symg 19311 df-tocyc 33200

This theorem is referenced by: (None)

W3C validator