Theorem gsumval3 18308

Description: Value of the group sum operation over an arbitrary finite set. (Contributed by Mario Carneiro, 15-Dec-2014.) (Revised by AV, 31-May-2019.)

Hypotheses

Ref	Expression
gsumval3.b	⊢ 𝐵 = (Base‘𝐺)
gsumval3.0	⊢ 0 = (0g‘𝐺)
gsumval3.p	⊢ + = (+g‘𝐺)
gsumval3.z	⊢ 𝑍 = (Cntz‘𝐺)
gsumval3.g	⊢ (𝜑 → 𝐺 ∈ Mnd)
gsumval3.a	⊢ (𝜑 → 𝐴 ∈ 𝑉)
gsumval3.f	⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
gsumval3.c	⊢ (𝜑 → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
gsumval3.m	⊢ (𝜑 → 𝑀 ∈ ℕ)
gsumval3.h	⊢ (𝜑 → 𝐻:(1...𝑀)–1-1→𝐴)
gsumval3.n	⊢ (𝜑 → (𝐹 supp 0 ) ⊆ ran 𝐻)
gsumval3.w	⊢ 𝑊 = ((𝐹 ∘ 𝐻) supp 0 )

Assertion

Ref	Expression
gsumval3	⊢ (𝜑 → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))

Proof of Theorem gsumval3

Dummy variables 𝑓 𝑘 𝑚 𝑛 𝑥 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		gsumval3.g	. . . . 5 ⊢ (𝜑 → 𝐺 ∈ Mnd)
2		gsumval3.a	. . . . 5 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
3		gsumval3.0	. . . . . 6 ⊢ 0 = (0g‘𝐺)
4	3	gsumz 17374	. . . . 5 ⊢ ((𝐺 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
5	1, 2, 4	syl2anc 693	. . . 4 ⊢ (𝜑 → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
6	5	adantr 481	. . 3 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
7		gsumval3.f	. . . . . . 7 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
8	7	feqmptd 6249	. . . . . 6 ⊢ (𝜑 → 𝐹 = (𝑥 ∈ 𝐴 ↦ (𝐹‘𝑥)))
9	8	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐹 = (𝑥 ∈ 𝐴 ↦ (𝐹‘𝑥)))
10		gsumval3.h	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐻:(1...𝑀)–1-1→𝐴)
11		f1f 6101	. . . . . . . . . . . . . 14 ⊢ (𝐻:(1...𝑀)–1-1→𝐴 → 𝐻:(1...𝑀)⟶𝐴)
12	10, 11	syl 17	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐻:(1...𝑀)⟶𝐴)
13	12	ad2antrr 762	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → 𝐻:(1...𝑀)⟶𝐴)
14		f1f1orn 6148	. . . . . . . . . . . . . . . 16 ⊢ (𝐻:(1...𝑀)–1-1→𝐴 → 𝐻:(1...𝑀)–1-1-onto→ran 𝐻)
15	10, 14	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → 𝐻:(1...𝑀)–1-1-onto→ran 𝐻)
16	15	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐻:(1...𝑀)–1-1-onto→ran 𝐻)
17		f1ocnv 6149	. . . . . . . . . . . . . 14 ⊢ (𝐻:(1...𝑀)–1-1-onto→ran 𝐻 → ◡𝐻:ran 𝐻–1-1-onto→(1...𝑀))
18		f1of 6137	. . . . . . . . . . . . . 14 ⊢ (◡𝐻:ran 𝐻–1-1-onto→(1...𝑀) → ◡𝐻:ran 𝐻⟶(1...𝑀))
19	16, 17, 18	3syl 18	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ◡𝐻:ran 𝐻⟶(1...𝑀))
20	19	ffvelrnda 6359	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (◡𝐻‘𝑥) ∈ (1...𝑀))
21		fvco3 6275	. . . . . . . . . . . 12 ⊢ ((𝐻:(1...𝑀)⟶𝐴 ∧ (◡𝐻‘𝑥) ∈ (1...𝑀)) → ((𝐹 ∘ 𝐻)‘(◡𝐻‘𝑥)) = (𝐹‘(𝐻‘(◡𝐻‘𝑥))))
22	13, 20, 21	syl2anc 693	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → ((𝐹 ∘ 𝐻)‘(◡𝐻‘𝑥)) = (𝐹‘(𝐻‘(◡𝐻‘𝑥))))
23		simpr 477	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝑊 = ∅)
24	23	difeq2d 3728	. . . . . . . . . . . . . . 15 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ((1...𝑀) ∖ 𝑊) = ((1...𝑀) ∖ ∅))
25		dif0 3950	. . . . . . . . . . . . . . 15 ⊢ ((1...𝑀) ∖ ∅) = (1...𝑀)
26	24, 25	syl6eq 2672	. . . . . . . . . . . . . 14 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ((1...𝑀) ∖ 𝑊) = (1...𝑀))
27	26	adantr 481	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → ((1...𝑀) ∖ 𝑊) = (1...𝑀))
28	20, 27	eleqtrrd 2704	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (◡𝐻‘𝑥) ∈ ((1...𝑀) ∖ 𝑊))
29		fco 6058	. . . . . . . . . . . . . . 15 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝐻:(1...𝑀)⟶𝐴) → (𝐹 ∘ 𝐻):(1...𝑀)⟶𝐵)
30	7, 12, 29	syl2anc 693	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (𝐹 ∘ 𝐻):(1...𝑀)⟶𝐵)
31	30	adantr 481	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐹 ∘ 𝐻):(1...𝑀)⟶𝐵)
32		gsumval3.w	. . . . . . . . . . . . . . 15 ⊢ 𝑊 = ((𝐹 ∘ 𝐻) supp 0 )
33	32	eqimss2i 3660	. . . . . . . . . . . . . 14 ⊢ ((𝐹 ∘ 𝐻) supp 0 ) ⊆ 𝑊
34	33	a1i 11	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ((𝐹 ∘ 𝐻) supp 0 ) ⊆ 𝑊)
35		ovexd 6680	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (1...𝑀) ∈ V)
36		fvex 6201	. . . . . . . . . . . . . . 15 ⊢ (0g‘𝐺) ∈ V
37	3, 36	eqeltri 2697	. . . . . . . . . . . . . 14 ⊢ 0 ∈ V
38	37	a1i 11	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 0 ∈ V)
39	31, 34, 35, 38	suppssr 7326	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ (◡𝐻‘𝑥) ∈ ((1...𝑀) ∖ 𝑊)) → ((𝐹 ∘ 𝐻)‘(◡𝐻‘𝑥)) = 0 )
40	28, 39	syldan 487	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → ((𝐹 ∘ 𝐻)‘(◡𝐻‘𝑥)) = 0 )
41		f1ocnvfv2 6533	. . . . . . . . . . . . 13 ⊢ ((𝐻:(1...𝑀)–1-1-onto→ran 𝐻 ∧ 𝑥 ∈ ran 𝐻) → (𝐻‘(◡𝐻‘𝑥)) = 𝑥)
42	16, 41	sylan 488	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (𝐻‘(◡𝐻‘𝑥)) = 𝑥)
43	42	fveq2d 6195	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (𝐹‘(𝐻‘(◡𝐻‘𝑥))) = (𝐹‘𝑥))
44	22, 40, 43	3eqtr3rd 2665	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (𝐹‘𝑥) = 0 )
45		fvex 6201	. . . . . . . . . . 11 ⊢ (𝐹‘𝑥) ∈ V
46	45	elsn 4192	. . . . . . . . . 10 ⊢ ((𝐹‘𝑥) ∈ { 0 } ↔ (𝐹‘𝑥) = 0 )
47	44, 46	sylibr 224	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ran 𝐻) → (𝐹‘𝑥) ∈ { 0 })
48	47	adantlr 751	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ 𝐴) ∧ 𝑥 ∈ ran 𝐻) → (𝐹‘𝑥) ∈ { 0 })
49		eldif 3584	. . . . . . . . . . 11 ⊢ (𝑥 ∈ (𝐴 ∖ ran 𝐻) ↔ (𝑥 ∈ 𝐴 ∧ ¬ 𝑥 ∈ ran 𝐻))
50		gsumval3.n	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝐹 supp 0 ) ⊆ ran 𝐻)
51	37	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → 0 ∈ V)
52	7, 50, 2, 51	suppssr 7326	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴 ∖ ran 𝐻)) → (𝐹‘𝑥) = 0 )
53	52, 46	sylibr 224	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑥 ∈ (𝐴 ∖ ran 𝐻)) → (𝐹‘𝑥) ∈ { 0 })
54	49, 53	sylan2br 493	. . . . . . . . . 10 ⊢ ((𝜑 ∧ (𝑥 ∈ 𝐴 ∧ ¬ 𝑥 ∈ ran 𝐻)) → (𝐹‘𝑥) ∈ { 0 })
55	54	adantlr 751	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ (𝑥 ∈ 𝐴 ∧ ¬ 𝑥 ∈ ran 𝐻)) → (𝐹‘𝑥) ∈ { 0 })
56	55	anassrs 680	. . . . . . . 8 ⊢ ((((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ 𝐴) ∧ ¬ 𝑥 ∈ ran 𝐻) → (𝐹‘𝑥) ∈ { 0 })
57	48, 56	pm2.61dan 832	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) ∈ { 0 })
58	57, 46	sylib 208	. . . . . 6 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) = 0 )
59	58	mpteq2dva 4744	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝑥 ∈ 𝐴 ↦ (𝐹‘𝑥)) = (𝑥 ∈ 𝐴 ↦ 0 ))
60	9, 59	eqtrd 2656	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐹 = (𝑥 ∈ 𝐴 ↦ 0 ))
61	60	oveq2d 6666	. . 3 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐹) = (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )))
62		gsumval3.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝐺)
63	62, 3	mndidcl 17308	. . . . . . 7 ⊢ (𝐺 ∈ Mnd → 0 ∈ 𝐵)
64	1, 63	syl 17	. . . . . 6 ⊢ (𝜑 → 0 ∈ 𝐵)
65		gsumval3.p	. . . . . . 7 ⊢ + = (+g‘𝐺)
66	62, 65, 3	mndlid 17311	. . . . . 6 ⊢ ((𝐺 ∈ Mnd ∧ 0 ∈ 𝐵) → ( 0 + 0 ) = 0 )
67	1, 64, 66	syl2anc 693	. . . . 5 ⊢ (𝜑 → ( 0 + 0 ) = 0 )
68	67	adantr 481	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ( 0 + 0 ) = 0 )
69		gsumval3.m	. . . . . 6 ⊢ (𝜑 → 𝑀 ∈ ℕ)
70		nnuz 11723	. . . . . 6 ⊢ ℕ = (ℤ≥‘1)
71	69, 70	syl6eleq 2711	. . . . 5 ⊢ (𝜑 → 𝑀 ∈ (ℤ≥‘1))
72	71	adantr 481	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝑀 ∈ (ℤ≥‘1))
73	26	eleq2d 2687	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝑥 ∈ ((1...𝑀) ∖ 𝑊) ↔ 𝑥 ∈ (1...𝑀)))
74	73	biimpar 502	. . . . 5 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ (1...𝑀)) → 𝑥 ∈ ((1...𝑀) ∖ 𝑊))
75	31, 34, 35, 38	suppssr 7326	. . . . 5 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ ((1...𝑀) ∖ 𝑊)) → ((𝐹 ∘ 𝐻)‘𝑥) = 0 )
76	74, 75	syldan 487	. . . 4 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ (1...𝑀)) → ((𝐹 ∘ 𝐻)‘𝑥) = 0 )
77	68, 72, 76	seqid3 12845	. . 3 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = 0 )
78	6, 61, 77	3eqtr4d 2666	. 2 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))
79		fzf 12330	. . . . 5 ⊢ ...:(ℤ × ℤ)⟶𝒫 ℤ
80		ffn 6045	. . . . 5 ⊢ (...:(ℤ × ℤ)⟶𝒫 ℤ → ... Fn (ℤ × ℤ))
81		ovelrn 6810	. . . . 5 ⊢ (... Fn (ℤ × ℤ) → (𝐴 ∈ ran ... ↔ ∃𝑚 ∈ ℤ ∃𝑛 ∈ ℤ 𝐴 = (𝑚...𝑛)))
82	79, 80, 81	mp2b 10	. . . 4 ⊢ (𝐴 ∈ ran ... ↔ ∃𝑚 ∈ ℤ ∃𝑛 ∈ ℤ 𝐴 = (𝑚...𝑛))
83	1	ad2antrr 762	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝐺 ∈ Mnd)
84		simpr 477	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝐴 = (𝑚...𝑛))
85		frel 6050	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹:𝐴⟶𝐵 → Rel 𝐹)
86		reldm0 5343	. . . . . . . . . . . . . . . . 17 ⊢ (Rel 𝐹 → (𝐹 = ∅ ↔ dom 𝐹 = ∅))
87	7, 85, 86	3syl 18	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (𝐹 = ∅ ↔ dom 𝐹 = ∅))
88		fdm 6051	. . . . . . . . . . . . . . . . . 18 ⊢ (𝐹:𝐴⟶𝐵 → dom 𝐹 = 𝐴)
89	7, 88	syl 17	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → dom 𝐹 = 𝐴)
90	89	eqeq1d 2624	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (dom 𝐹 = ∅ ↔ 𝐴 = ∅))
91	87, 90	bitrd 268	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝐹 = ∅ ↔ 𝐴 = ∅))
92		coeq1 5279	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝐹 = ∅ → (𝐹 ∘ 𝐻) = (∅ ∘ 𝐻))
93		co01 5650	. . . . . . . . . . . . . . . . . . 19 ⊢ (∅ ∘ 𝐻) = ∅
94	92, 93	syl6eq 2672	. . . . . . . . . . . . . . . . . 18 ⊢ (𝐹 = ∅ → (𝐹 ∘ 𝐻) = ∅)
95	94	oveq1d 6665	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹 = ∅ → ((𝐹 ∘ 𝐻) supp 0 ) = (∅ supp 0 ))
96		supp0 7300	. . . . . . . . . . . . . . . . . 18 ⊢ ( 0 ∈ V → (∅ supp 0 ) = ∅)
97	37, 96	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ (∅ supp 0 ) = ∅
98	95, 97	syl6eq 2672	. . . . . . . . . . . . . . . 16 ⊢ (𝐹 = ∅ → ((𝐹 ∘ 𝐻) supp 0 ) = ∅)
99	32, 98	syl5eq 2668	. . . . . . . . . . . . . . 15 ⊢ (𝐹 = ∅ → 𝑊 = ∅)
100	91, 99	syl6bir 244	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (𝐴 = ∅ → 𝑊 = ∅))
101	100	necon3d 2815	. . . . . . . . . . . . 13 ⊢ (𝜑 → (𝑊 ≠ ∅ → 𝐴 ≠ ∅))
102	101	imp 445	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → 𝐴 ≠ ∅)
103	102	adantr 481	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝐴 ≠ ∅)
104	84, 103	eqnetrrd 2862	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (𝑚...𝑛) ≠ ∅)
105		fzn0 12355	. . . . . . . . . 10 ⊢ ((𝑚...𝑛) ≠ ∅ ↔ 𝑛 ∈ (ℤ≥‘𝑚))
106	104, 105	sylib 208	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝑛 ∈ (ℤ≥‘𝑚))
107	7	ad2antrr 762	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝐹:𝐴⟶𝐵)
108	84	feq2d 6031	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (𝐹:𝐴⟶𝐵 ↔ 𝐹:(𝑚...𝑛)⟶𝐵))
109	107, 108	mpbid 222	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → 𝐹:(𝑚...𝑛)⟶𝐵)
110	62, 65, 83, 106, 109	gsumval2 17280	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (𝐺 Σg 𝐹) = (seq𝑚( + , 𝐹)‘𝑛))
111		frn 6053	. . . . . . . . . . . . . . 15 ⊢ (𝐻:(1...𝑀)⟶𝐴 → ran 𝐻 ⊆ 𝐴)
112	10, 11, 111	3syl 18	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ran 𝐻 ⊆ 𝐴)
113	112	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → ran 𝐻 ⊆ 𝐴)
114	113, 84	sseqtrd 3641	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → ran 𝐻 ⊆ (𝑚...𝑛))
115		fzssuz 12382	. . . . . . . . . . . . 13 ⊢ (𝑚...𝑛) ⊆ (ℤ≥‘𝑚)
116		uzssz 11707	. . . . . . . . . . . . . 14 ⊢ (ℤ≥‘𝑚) ⊆ ℤ
117		zssre 11384	. . . . . . . . . . . . . 14 ⊢ ℤ ⊆ ℝ
118	116, 117	sstri 3612	. . . . . . . . . . . . 13 ⊢ (ℤ≥‘𝑚) ⊆ ℝ
119	115, 118	sstri 3612	. . . . . . . . . . . 12 ⊢ (𝑚...𝑛) ⊆ ℝ
120	114, 119	syl6ss 3615	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → ran 𝐻 ⊆ ℝ)
121		ltso 10118	. . . . . . . . . . 11 ⊢ < Or ℝ
122		soss 5053	. . . . . . . . . . 11 ⊢ (ran 𝐻 ⊆ ℝ → ( < Or ℝ → < Or ran 𝐻))
123	120, 121, 122	mpisyl 21	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → < Or ran 𝐻)
124		fzfi 12771	. . . . . . . . . . . 12 ⊢ (1...𝑀) ∈ Fin
125	124	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (1...𝑀) ∈ Fin)
126		fex2 7121	. . . . . . . . . . . . . . 15 ⊢ ((𝐻:(1...𝑀)⟶𝐴 ∧ (1...𝑀) ∈ Fin ∧ 𝐴 ∈ 𝑉) → 𝐻 ∈ V)
127	12, 125, 2, 126	syl3anc 1326	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝐻 ∈ V)
128		f1oen3g 7971	. . . . . . . . . . . . . 14 ⊢ ((𝐻 ∈ V ∧ 𝐻:(1...𝑀)–1-1-onto→ran 𝐻) → (1...𝑀) ≈ ran 𝐻)
129	127, 15, 128	syl2anc 693	. . . . . . . . . . . . 13 ⊢ (𝜑 → (1...𝑀) ≈ ran 𝐻)
130		enfi 8176	. . . . . . . . . . . . 13 ⊢ ((1...𝑀) ≈ ran 𝐻 → ((1...𝑀) ∈ Fin ↔ ran 𝐻 ∈ Fin))
131	129, 130	syl 17	. . . . . . . . . . . 12 ⊢ (𝜑 → ((1...𝑀) ∈ Fin ↔ ran 𝐻 ∈ Fin))
132	124, 131	mpbii 223	. . . . . . . . . . 11 ⊢ (𝜑 → ran 𝐻 ∈ Fin)
133	132	ad2antrr 762	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → ran 𝐻 ∈ Fin)
134		fz1iso 13246	. . . . . . . . . 10 ⊢ (( < Or ran 𝐻 ∧ ran 𝐻 ∈ Fin) → ∃𝑓 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))
135	123, 133, 134	syl2anc 693	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → ∃𝑓 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))
136	69	nnnn0d 11351	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝑀 ∈ ℕ0)
137		hashfz1 13134	. . . . . . . . . . . . . . . 16 ⊢ (𝑀 ∈ ℕ0 → (#‘(1...𝑀)) = 𝑀)
138	136, 137	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (#‘(1...𝑀)) = 𝑀)
139		hashen 13135	. . . . . . . . . . . . . . . . 17 ⊢ (((1...𝑀) ∈ Fin ∧ ran 𝐻 ∈ Fin) → ((#‘(1...𝑀)) = (#‘ran 𝐻) ↔ (1...𝑀) ≈ ran 𝐻))
140	124, 132, 139	sylancr 695	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → ((#‘(1...𝑀)) = (#‘ran 𝐻) ↔ (1...𝑀) ≈ ran 𝐻))
141	129, 140	mpbird 247	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (#‘(1...𝑀)) = (#‘ran 𝐻))
142	138, 141	eqtr3d 2658	. . . . . . . . . . . . . 14 ⊢ (𝜑 → 𝑀 = (#‘ran 𝐻))
143	142	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑀 = (#‘ran 𝐻))
144	143	fveq2d 6195	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (seq1( + , (𝐹 ∘ 𝑓))‘𝑀) = (seq1( + , (𝐹 ∘ 𝑓))‘(#‘ran 𝐻)))
145	1	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐺 ∈ Mnd)
146	62, 65	mndcl 17301	. . . . . . . . . . . . . . 15 ⊢ ((𝐺 ∈ Mnd ∧ 𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵) → (𝑥 + 𝑦) ∈ 𝐵)
147	146	3expb 1266	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Mnd ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥 + 𝑦) ∈ 𝐵)
148	145, 147	sylan 488	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥 + 𝑦) ∈ 𝐵)
149		gsumval3.c	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
150	149	ad2antrr 762	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
151	150	sselda 3603	. . . . . . . . . . . . . . 15 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ ran 𝐹) → 𝑥 ∈ (𝑍‘ran 𝐹))
152		gsumval3.z	. . . . . . . . . . . . . . . 16 ⊢ 𝑍 = (Cntz‘𝐺)
153	65, 152	cntzi 17762	. . . . . . . . . . . . . . 15 ⊢ ((𝑥 ∈ (𝑍‘ran 𝐹) ∧ 𝑦 ∈ ran 𝐹) → (𝑥 + 𝑦) = (𝑦 + 𝑥))
154	151, 153	sylan 488	. . . . . . . . . . . . . 14 ⊢ (((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ ran 𝐹) ∧ 𝑦 ∈ ran 𝐹) → (𝑥 + 𝑦) = (𝑦 + 𝑥))
155	154	anasss 679	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ (𝑥 ∈ ran 𝐹 ∧ 𝑦 ∈ ran 𝐹)) → (𝑥 + 𝑦) = (𝑦 + 𝑥))
156	62, 65	mndass 17302	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Mnd ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
157	145, 156	sylan 488	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵 ∧ 𝑧 ∈ 𝐵)) → ((𝑥 + 𝑦) + 𝑧) = (𝑥 + (𝑦 + 𝑧)))
158	71	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑀 ∈ (ℤ≥‘1))
159	7	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐹:𝐴⟶𝐵)
160		frn 6053	. . . . . . . . . . . . . 14 ⊢ (𝐹:𝐴⟶𝐵 → ran 𝐹 ⊆ 𝐵)
161	159, 160	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ran 𝐹 ⊆ 𝐵)
162		simprr 796	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))
163		isof1o 6573	. . . . . . . . . . . . . . . . 17 ⊢ (𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻) → 𝑓:(1...(#‘ran 𝐻))–1-1-onto→ran 𝐻)
164	162, 163	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓:(1...(#‘ran 𝐻))–1-1-onto→ran 𝐻)
165	143	oveq2d 6666	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (1...𝑀) = (1...(#‘ran 𝐻)))
166		f1oeq2 6128	. . . . . . . . . . . . . . . . 17 ⊢ ((1...𝑀) = (1...(#‘ran 𝐻)) → (𝑓:(1...𝑀)–1-1-onto→ran 𝐻 ↔ 𝑓:(1...(#‘ran 𝐻))–1-1-onto→ran 𝐻))
167	165, 166	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝑓:(1...𝑀)–1-1-onto→ran 𝐻 ↔ 𝑓:(1...(#‘ran 𝐻))–1-1-onto→ran 𝐻))
168	164, 167	mpbird 247	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓:(1...𝑀)–1-1-onto→ran 𝐻)
169		f1ocnv 6149	. . . . . . . . . . . . . . 15 ⊢ (𝑓:(1...𝑀)–1-1-onto→ran 𝐻 → ◡𝑓:ran 𝐻–1-1-onto→(1...𝑀))
170	168, 169	syl 17	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ◡𝑓:ran 𝐻–1-1-onto→(1...𝑀))
171	15	ad2antrr 762	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐻:(1...𝑀)–1-1-onto→ran 𝐻)
172		f1oco 6159	. . . . . . . . . . . . . 14 ⊢ ((◡𝑓:ran 𝐻–1-1-onto→(1...𝑀) ∧ 𝐻:(1...𝑀)–1-1-onto→ran 𝐻) → (◡𝑓 ∘ 𝐻):(1...𝑀)–1-1-onto→(1...𝑀))
173	170, 171, 172	syl2anc 693	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (◡𝑓 ∘ 𝐻):(1...𝑀)–1-1-onto→(1...𝑀))
174		ffn 6045	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹 Fn 𝐴)
175		dffn4 6121	. . . . . . . . . . . . . . . . 17 ⊢ (𝐹 Fn 𝐴 ↔ 𝐹:𝐴–onto→ran 𝐹)
176	174, 175	sylib 208	. . . . . . . . . . . . . . . 16 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹:𝐴–onto→ran 𝐹)
177		fof 6115	. . . . . . . . . . . . . . . 16 ⊢ (𝐹:𝐴–onto→ran 𝐹 → 𝐹:𝐴⟶ran 𝐹)
178	159, 176, 177	3syl 18	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐹:𝐴⟶ran 𝐹)
179		f1of 6137	. . . . . . . . . . . . . . . . 17 ⊢ (𝑓:(1...𝑀)–1-1-onto→ran 𝐻 → 𝑓:(1...𝑀)⟶ran 𝐻)
180	168, 179	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓:(1...𝑀)⟶ran 𝐻)
181	112	ad2antrr 762	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ran 𝐻 ⊆ 𝐴)
182	180, 181	fssd 6057	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓:(1...𝑀)⟶𝐴)
183		fco 6058	. . . . . . . . . . . . . . 15 ⊢ ((𝐹:𝐴⟶ran 𝐹 ∧ 𝑓:(1...𝑀)⟶𝐴) → (𝐹 ∘ 𝑓):(1...𝑀)⟶ran 𝐹)
184	178, 182, 183	syl2anc 693	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝐹 ∘ 𝑓):(1...𝑀)⟶ran 𝐹)
185	184	ffvelrnda 6359	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ (1...𝑀)) → ((𝐹 ∘ 𝑓)‘𝑥) ∈ ran 𝐹)
186		f1ococnv2 6163	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (𝑓:(1...𝑀)–1-1-onto→ran 𝐻 → (𝑓 ∘ ◡𝑓) = ( I ↾ ran 𝐻))
187	168, 186	syl 17	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝑓 ∘ ◡𝑓) = ( I ↾ ran 𝐻))
188	187	coeq1d 5283	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ((𝑓 ∘ ◡𝑓) ∘ 𝐻) = (( I ↾ ran 𝐻) ∘ 𝐻))
189		f1of 6137	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝐻:(1...𝑀)–1-1-onto→ran 𝐻 → 𝐻:(1...𝑀)⟶ran 𝐻)
190		fcoi2 6079	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (𝐻:(1...𝑀)⟶ran 𝐻 → (( I ↾ ran 𝐻) ∘ 𝐻) = 𝐻)
191	171, 189, 190	3syl 18	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (( I ↾ ran 𝐻) ∘ 𝐻) = 𝐻)
192	188, 191	eqtr2d 2657	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐻 = ((𝑓 ∘ ◡𝑓) ∘ 𝐻))
193		coass 5654	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝑓 ∘ ◡𝑓) ∘ 𝐻) = (𝑓 ∘ (◡𝑓 ∘ 𝐻))
194	192, 193	syl6eq 2672	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐻 = (𝑓 ∘ (◡𝑓 ∘ 𝐻)))
195	194	coeq2d 5284	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝐹 ∘ 𝐻) = (𝐹 ∘ (𝑓 ∘ (◡𝑓 ∘ 𝐻))))
196		coass 5654	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻)) = (𝐹 ∘ (𝑓 ∘ (◡𝑓 ∘ 𝐻)))
197	195, 196	syl6eqr 2674	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝐹 ∘ 𝐻) = ((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻)))
198	197	fveq1d 6193	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ((𝐹 ∘ 𝐻)‘𝑘) = (((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻))‘𝑘))
199	198	adantr 481	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑘 ∈ (1...𝑀)) → ((𝐹 ∘ 𝐻)‘𝑘) = (((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻))‘𝑘))
200		f1of 6137	. . . . . . . . . . . . . . . . 17 ⊢ (◡𝑓:ran 𝐻–1-1-onto→(1...𝑀) → ◡𝑓:ran 𝐻⟶(1...𝑀))
201	168, 169, 200	3syl 18	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ◡𝑓:ran 𝐻⟶(1...𝑀))
202	171, 189	syl 17	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐻:(1...𝑀)⟶ran 𝐻)
203		fco 6058	. . . . . . . . . . . . . . . 16 ⊢ ((◡𝑓:ran 𝐻⟶(1...𝑀) ∧ 𝐻:(1...𝑀)⟶ran 𝐻) → (◡𝑓 ∘ 𝐻):(1...𝑀)⟶(1...𝑀))
204	201, 202, 203	syl2anc 693	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (◡𝑓 ∘ 𝐻):(1...𝑀)⟶(1...𝑀))
205		fvco3 6275	. . . . . . . . . . . . . . 15 ⊢ (((◡𝑓 ∘ 𝐻):(1...𝑀)⟶(1...𝑀) ∧ 𝑘 ∈ (1...𝑀)) → (((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻))‘𝑘) = ((𝐹 ∘ 𝑓)‘((◡𝑓 ∘ 𝐻)‘𝑘)))
206	204, 205	sylan 488	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑘 ∈ (1...𝑀)) → (((𝐹 ∘ 𝑓) ∘ (◡𝑓 ∘ 𝐻))‘𝑘) = ((𝐹 ∘ 𝑓)‘((◡𝑓 ∘ 𝐻)‘𝑘)))
207	199, 206	eqtrd 2656	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑘 ∈ (1...𝑀)) → ((𝐹 ∘ 𝐻)‘𝑘) = ((𝐹 ∘ 𝑓)‘((◡𝑓 ∘ 𝐻)‘𝑘)))
208	148, 155, 157, 158, 161, 173, 185, 207	seqf1o 12842	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq1( + , (𝐹 ∘ 𝑓))‘𝑀))
209	62, 65, 3	mndlid 17311	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Mnd ∧ 𝑥 ∈ 𝐵) → ( 0 + 𝑥) = 𝑥)
210	145, 209	sylan 488	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ 𝐵) → ( 0 + 𝑥) = 𝑥)
211	62, 65, 3	mndrid 17312	. . . . . . . . . . . . . 14 ⊢ ((𝐺 ∈ Mnd ∧ 𝑥 ∈ 𝐵) → (𝑥 + 0 ) = 𝑥)
212	145, 211	sylan 488	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ 𝐵) → (𝑥 + 0 ) = 𝑥)
213	145, 63	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 0 ∈ 𝐵)
214		fdm 6051	. . . . . . . . . . . . . . . . 17 ⊢ (𝐻:(1...𝑀)⟶𝐴 → dom 𝐻 = (1...𝑀))
215	10, 11, 214	3syl 18	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → dom 𝐻 = (1...𝑀))
216		eluzfz1 12348	. . . . . . . . . . . . . . . . 17 ⊢ (𝑀 ∈ (ℤ≥‘1) → 1 ∈ (1...𝑀))
217		ne0i 3921	. . . . . . . . . . . . . . . . 17 ⊢ (1 ∈ (1...𝑀) → (1...𝑀) ≠ ∅)
218	71, 216, 217	3syl 18	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → (1...𝑀) ≠ ∅)
219	215, 218	eqnetrd 2861	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → dom 𝐻 ≠ ∅)
220		dm0rn0 5342	. . . . . . . . . . . . . . . 16 ⊢ (dom 𝐻 = ∅ ↔ ran 𝐻 = ∅)
221	220	necon3bii 2846	. . . . . . . . . . . . . . 15 ⊢ (dom 𝐻 ≠ ∅ ↔ ran 𝐻 ≠ ∅)
222	219, 221	sylib 208	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ran 𝐻 ≠ ∅)
223	222	ad2antrr 762	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ran 𝐻 ≠ ∅)
224	114	adantrr 753	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → ran 𝐻 ⊆ (𝑚...𝑛))
225		simprl 794	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝐴 = (𝑚...𝑛))
226	225	eleq2d 2687	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝑥 ∈ 𝐴 ↔ 𝑥 ∈ (𝑚...𝑛)))
227	226	biimpar 502	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ (𝑚...𝑛)) → 𝑥 ∈ 𝐴)
228	159	ffvelrnda 6359	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) ∈ 𝐵)
229	227, 228	syldan 487	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ (𝑚...𝑛)) → (𝐹‘𝑥) ∈ 𝐵)
230	225	difeq1d 3727	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝐴 ∖ ran 𝐻) = ((𝑚...𝑛) ∖ ran 𝐻))
231	230	eleq2d 2687	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (𝑥 ∈ (𝐴 ∖ ran 𝐻) ↔ 𝑥 ∈ ((𝑚...𝑛) ∖ ran 𝐻)))
232	231	biimpar 502	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ ((𝑚...𝑛) ∖ ran 𝐻)) → 𝑥 ∈ (𝐴 ∖ ran 𝐻))
233		simpll 790	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝜑)
234	233, 52	sylan 488	. . . . . . . . . . . . . 14 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝐻)) → (𝐹‘𝑥) = 0 )
235	232, 234	syldan 487	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑥 ∈ ((𝑚...𝑛) ∖ ran 𝐻)) → (𝐹‘𝑥) = 0 )
236		f1of 6137	. . . . . . . . . . . . . . 15 ⊢ (𝑓:(1...(#‘ran 𝐻))–1-1-onto→ran 𝐻 → 𝑓:(1...(#‘ran 𝐻))⟶ran 𝐻)
237	162, 163, 236	3syl 18	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → 𝑓:(1...(#‘ran 𝐻))⟶ran 𝐻)
238		fvco3 6275	. . . . . . . . . . . . . 14 ⊢ ((𝑓:(1...(#‘ran 𝐻))⟶ran 𝐻 ∧ 𝑦 ∈ (1...(#‘ran 𝐻))) → ((𝐹 ∘ 𝑓)‘𝑦) = (𝐹‘(𝑓‘𝑦)))
239	237, 238	sylan 488	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) ∧ 𝑦 ∈ (1...(#‘ran 𝐻))) → ((𝐹 ∘ 𝑓)‘𝑦) = (𝐹‘(𝑓‘𝑦)))
240	210, 212, 148, 213, 162, 223, 224, 229, 235, 239	seqcoll2 13249	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (seq𝑚( + , 𝐹)‘𝑛) = (seq1( + , (𝐹 ∘ 𝑓))‘(#‘ran 𝐻)))
241	144, 208, 240	3eqtr4d 2666	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (𝐴 = (𝑚...𝑛) ∧ 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻))) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq𝑚( + , 𝐹)‘𝑛))
242	241	expr 643	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq𝑚( + , 𝐹)‘𝑛)))
243	242	exlimdv 1861	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (∃𝑓 𝑓 Isom < , < ((1...(#‘ran 𝐻)), ran 𝐻) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq𝑚( + , 𝐹)‘𝑛)))
244	135, 243	mpd 15	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq𝑚( + , 𝐹)‘𝑛))
245	110, 244	eqtr4d 2659	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ 𝐴 = (𝑚...𝑛)) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))
246	245	ex 450	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (𝐴 = (𝑚...𝑛) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
247	246	rexlimdvw 3034	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (∃𝑛 ∈ ℤ 𝐴 = (𝑚...𝑛) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
248	247	rexlimdvw 3034	. . . 4 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (∃𝑚 ∈ ℤ ∃𝑛 ∈ ℤ 𝐴 = (𝑚...𝑛) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
249	82, 248	syl5bi 232	. . 3 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (𝐴 ∈ ran ... → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
250		suppssdm 7308	. . . . . . . . . . 11 ⊢ ((𝐹 ∘ 𝐻) supp 0 ) ⊆ dom (𝐹 ∘ 𝐻)
251	32, 250	eqsstri 3635	. . . . . . . . . 10 ⊢ 𝑊 ⊆ dom (𝐹 ∘ 𝐻)
252		fdm 6051	. . . . . . . . . . 11 ⊢ ((𝐹 ∘ 𝐻):(1...𝑀)⟶𝐵 → dom (𝐹 ∘ 𝐻) = (1...𝑀))
253	30, 252	syl 17	. . . . . . . . . 10 ⊢ (𝜑 → dom (𝐹 ∘ 𝐻) = (1...𝑀))
254	251, 253	syl5sseq 3653	. . . . . . . . 9 ⊢ (𝜑 → 𝑊 ⊆ (1...𝑀))
255		fzssuz 12382	. . . . . . . . . . 11 ⊢ (1...𝑀) ⊆ (ℤ≥‘1)
256	255, 70	sseqtr4i 3638	. . . . . . . . . 10 ⊢ (1...𝑀) ⊆ ℕ
257		nnssre 11024	. . . . . . . . . 10 ⊢ ℕ ⊆ ℝ
258	256, 257	sstri 3612	. . . . . . . . 9 ⊢ (1...𝑀) ⊆ ℝ
259	254, 258	syl6ss 3615	. . . . . . . 8 ⊢ (𝜑 → 𝑊 ⊆ ℝ)
260		soss 5053	. . . . . . . 8 ⊢ (𝑊 ⊆ ℝ → ( < Or ℝ → < Or 𝑊))
261	259, 121, 260	mpisyl 21	. . . . . . 7 ⊢ (𝜑 → < Or 𝑊)
262		ssfi 8180	. . . . . . . 8 ⊢ (((1...𝑀) ∈ Fin ∧ 𝑊 ⊆ (1...𝑀)) → 𝑊 ∈ Fin)
263	124, 254, 262	sylancr 695	. . . . . . 7 ⊢ (𝜑 → 𝑊 ∈ Fin)
264		fz1iso 13246	. . . . . . 7 ⊢ (( < Or 𝑊 ∧ 𝑊 ∈ Fin) → ∃𝑓 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))
265	261, 263, 264	syl2anc 693	. . . . . 6 ⊢ (𝜑 → ∃𝑓 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))
266	265	ad2antrr 762	. . . . 5 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ ¬ 𝐴 ∈ ran ...) → ∃𝑓 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))
267	62, 3, 65, 152, 1, 2, 7, 149, 69, 10, 50, 32	gsumval3lem2 18307	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ (𝐻 ∘ 𝑓)))‘(#‘𝑊)))
268	1	ad2antrr 762	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 𝐺 ∈ Mnd)
269	268, 209	sylan 488	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑥 ∈ 𝐵) → ( 0 + 𝑥) = 𝑥)
270	268, 211	sylan 488	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑥 ∈ 𝐵) → (𝑥 + 0 ) = 𝑥)
271	268, 147	sylan 488	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥 + 𝑦) ∈ 𝐵)
272	268, 63	syl 17	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 0 ∈ 𝐵)
273		simprr 796	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))
274		simplr 792	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 𝑊 ≠ ∅)
275	254	ad2antrr 762	. . . . . . . . 9 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 𝑊 ⊆ (1...𝑀))
276	30	ad2antrr 762	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → (𝐹 ∘ 𝐻):(1...𝑀)⟶𝐵)
277	276	ffvelrnda 6359	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑥 ∈ (1...𝑀)) → ((𝐹 ∘ 𝐻)‘𝑥) ∈ 𝐵)
278	33	a1i 11	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → ((𝐹 ∘ 𝐻) supp 0 ) ⊆ 𝑊)
279		ovexd 6680	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → (1...𝑀) ∈ V)
280	37	a1i 11	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 0 ∈ V)
281	276, 278, 279, 280	suppssr 7326	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑥 ∈ ((1...𝑀) ∖ 𝑊)) → ((𝐹 ∘ 𝐻)‘𝑥) = 0 )
282		coass 5654	. . . . . . . . . . 11 ⊢ ((𝐹 ∘ 𝐻) ∘ 𝑓) = (𝐹 ∘ (𝐻 ∘ 𝑓))
283	282	fveq1i 6192	. . . . . . . . . 10 ⊢ (((𝐹 ∘ 𝐻) ∘ 𝑓)‘𝑦) = ((𝐹 ∘ (𝐻 ∘ 𝑓))‘𝑦)
284		isof1o 6573	. . . . . . . . . . . 12 ⊢ (𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊) → 𝑓:(1...(#‘𝑊))–1-1-onto→𝑊)
285		f1of 6137	. . . . . . . . . . . 12 ⊢ (𝑓:(1...(#‘𝑊))–1-1-onto→𝑊 → 𝑓:(1...(#‘𝑊))⟶𝑊)
286	273, 284, 285	3syl 18	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → 𝑓:(1...(#‘𝑊))⟶𝑊)
287		fvco3 6275	. . . . . . . . . . 11 ⊢ ((𝑓:(1...(#‘𝑊))⟶𝑊 ∧ 𝑦 ∈ (1...(#‘𝑊))) → (((𝐹 ∘ 𝐻) ∘ 𝑓)‘𝑦) = ((𝐹 ∘ 𝐻)‘(𝑓‘𝑦)))
288	286, 287	sylan 488	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑦 ∈ (1...(#‘𝑊))) → (((𝐹 ∘ 𝐻) ∘ 𝑓)‘𝑦) = ((𝐹 ∘ 𝐻)‘(𝑓‘𝑦)))
289	283, 288	syl5eqr 2670	. . . . . . . . 9 ⊢ ((((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) ∧ 𝑦 ∈ (1...(#‘𝑊))) → ((𝐹 ∘ (𝐻 ∘ 𝑓))‘𝑦) = ((𝐹 ∘ 𝐻)‘(𝑓‘𝑦)))
290	269, 270, 271, 272, 273, 274, 275, 277, 281, 289	seqcoll2 13249	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → (seq1( + , (𝐹 ∘ 𝐻))‘𝑀) = (seq1( + , (𝐹 ∘ (𝐻 ∘ 𝑓)))‘(#‘𝑊)))
291	267, 290	eqtr4d 2659	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ (¬ 𝐴 ∈ ran ... ∧ 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊))) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))
292	291	expr 643	. . . . . 6 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ ¬ 𝐴 ∈ ran ...) → (𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
293	292	exlimdv 1861	. . . . 5 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ ¬ 𝐴 ∈ ran ...) → (∃𝑓 𝑓 Isom < , < ((1...(#‘𝑊)), 𝑊) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
294	266, 293	mpd 15	. . . 4 ⊢ (((𝜑 ∧ 𝑊 ≠ ∅) ∧ ¬ 𝐴 ∈ ran ...) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))
295	294	ex 450	. . 3 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (¬ 𝐴 ∈ ran ... → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀)))
296	249, 295	pm2.61d 170	. 2 ⊢ ((𝜑 ∧ 𝑊 ≠ ∅) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))
297	78, 296	pm2.61dane 2881	1 ⊢ (𝜑 → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝐻))‘𝑀))

Syntax hints:  ¬ wn 3   → wi 4   ↔ wb 196   ∧ wa 384   ∧ w3a 1037   = wceq 1483  ∃wex 1704   ∈ wcel 1990   ≠ wne 2794  ∃wrex 2913  Vcvv 3200   ∖ cdif 3571   ⊆ wss 3574  ∅c0 3915  𝒫 cpw 4158  {csn 4177   class class class wbr 4653   ↦ cmpt 4729   I cid 5023   Or wor 5034   × cxp 5112  ^◡ccnv 5113  dom cdm 5114  ran crn 5115   ↾ cres 5116   ∘ ccom 5118  Rel wrel 5119   Fn wfn 5883  ⟶wf 5884  –1-1→wf1 5885  –onto→wfo 5886  –1-1-onto→wf1o 5887  ‘cfv 5888   Isom wiso 5889  (class class class)co 6650   supp csupp 7295   ≈ cen 7952  Fincfn 7955  ℝcr 9935  1c1 9937   < clt 10074  ℕcn 11020  ℕ₀cn0 11292  ℤcz 11377  ℤ_≥cuz 11687  ...cfz 12326  seqcseq 12801  #chash 13117  Basecbs 15857  +_gcplusg 15941  0_gc0g 16100   Σ_g cgsu 16101  Mndcmnd 17294  Cntzccntz 17748

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

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-se 5074  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-isom 5897  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-om 7066  df-1st 7168  df-2nd 7169  df-supp 7296  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-oi 8415  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-nn 11021  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-fzo 12466  df-seq 12802  df-hash 13118  df-0g 16102  df-gsum 16103  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-cntz 17750

This theorem is referenced by:  gsumzres  18310  gsumzcl2  18311  gsumzf1o  18313  gsumzaddlem  18321  gsumconst  18334  gsumzmhm  18337  gsumzoppg  18344  gsumfsum  19813  wilthlem3  24796