Theorem gsumzaddlem 19919

Description: The sum of two group sums. (Contributed by Mario Carneiro, 25-Apr-2016.) (Revised by AV, 5-Jun-2019.)

Hypotheses

Ref	Expression
gsumzadd.b	⊢ 𝐵 = (Base‘𝐺)
gsumzadd.0	⊢ 0 = (0g‘𝐺)
gsumzadd.p	⊢ + = (+g‘𝐺)
gsumzadd.z	⊢ 𝑍 = (Cntz‘𝐺)
gsumzadd.g	⊢ (𝜑 → 𝐺 ∈ Mnd)
gsumzadd.a	⊢ (𝜑 → 𝐴 ∈ 𝑉)
gsumzadd.fn	⊢ (𝜑 → 𝐹 finSupp 0 )
gsumzadd.hn	⊢ (𝜑 → 𝐻 finSupp 0 )
gsumzaddlem.w	⊢ 𝑊 = ((𝐹 ∪ 𝐻) supp 0 )
gsumzaddlem.f	⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
gsumzaddlem.h	⊢ (𝜑 → 𝐻:𝐴⟶𝐵)
gsumzaddlem.1	⊢ (𝜑 → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
gsumzaddlem.2	⊢ (𝜑 → ran 𝐻 ⊆ (𝑍‘ran 𝐻))
gsumzaddlem.3	⊢ (𝜑 → ran (𝐹 ∘f + 𝐻) ⊆ (𝑍‘ran (𝐹 ∘f + 𝐻)))
gsumzaddlem.4	⊢ ((𝜑 ∧ (𝑥 ⊆ 𝐴 ∧ 𝑘 ∈ (𝐴 ∖ 𝑥))) → (𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}))

Assertion

Ref	Expression
gsumzaddlem	⊢ (𝜑 → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)))

Distinct variable groups:   𝑥,𝑘, +   0 ,𝑘,𝑥   𝑘,𝐹,𝑥   𝑘,𝐺,𝑥   𝐴,𝑘,𝑥   𝐵,𝑘,𝑥   𝑘,𝐻,𝑥   𝜑,𝑘,𝑥   𝑥,𝑉   𝑘,𝑊,𝑥   𝑘,𝑍,𝑥

Allowed substitution hint:   𝑉(𝑘)

Proof of Theorem gsumzaddlem

Dummy variables 𝑓 𝑛 𝑤 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		gsumzadd.g	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ Mnd)
2		gsumzadd.b	. . . . . . . 8 ⊢ 𝐵 = (Base‘𝐺)
3		gsumzadd.0	. . . . . . . 8 ⊢ 0 = (0g‘𝐺)
4	2, 3	mndidcl 18742	. . . . . . 7 ⊢ (𝐺 ∈ Mnd → 0 ∈ 𝐵)
5	1, 4	syl 17	. . . . . 6 ⊢ (𝜑 → 0 ∈ 𝐵)
6		gsumzadd.p	. . . . . . 7 ⊢ + = (+g‘𝐺)
7	2, 6, 3	mndlid 18747	. . . . . 6 ⊢ ((𝐺 ∈ Mnd ∧ 0 ∈ 𝐵) → ( 0 + 0 ) = 0 )
8	1, 5, 7	syl2anc 582	. . . . 5 ⊢ (𝜑 → ( 0 + 0 ) = 0 )
9	8	adantr 479	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ( 0 + 0 ) = 0 )
10		gsumzaddlem.f	. . . . . . . 8 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
11		gsumzadd.a	. . . . . . . 8 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
12	3	fvexi 6915	. . . . . . . . 9 ⊢ 0 ∈ V
13	12	a1i 11	. . . . . . . 8 ⊢ (𝜑 → 0 ∈ V)
14		gsumzaddlem.h	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐻:𝐴⟶𝐵)
15	14, 11	fexd 7244	. . . . . . . . . 10 ⊢ (𝜑 → 𝐻 ∈ V)
16	15	suppun 8198	. . . . . . . . 9 ⊢ (𝜑 → (𝐹 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 ))
17		gsumzaddlem.w	. . . . . . . . 9 ⊢ 𝑊 = ((𝐹 ∪ 𝐻) supp 0 )
18	16, 17	sseqtrrdi 4031	. . . . . . . 8 ⊢ (𝜑 → (𝐹 supp 0 ) ⊆ 𝑊)
19	10, 11, 13, 18	gsumcllem 19906	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐹 = (𝑥 ∈ 𝐴 ↦ 0 ))
20	19	oveq2d 7440	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐹) = (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )))
21	3	gsumz 18826	. . . . . . . 8 ⊢ ((𝐺 ∈ Mnd ∧ 𝐴 ∈ 𝑉) → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
22	1, 11, 21	syl2anc 582	. . . . . . 7 ⊢ (𝜑 → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
23	22	adantr 479	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )) = 0 )
24	20, 23	eqtrd 2766	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐹) = 0 )
25	10, 11	fexd 7244	. . . . . . . . . . 11 ⊢ (𝜑 → 𝐹 ∈ V)
26	25	suppun 8198	. . . . . . . . . 10 ⊢ (𝜑 → (𝐻 supp 0 ) ⊆ ((𝐻 ∪ 𝐹) supp 0 ))
27		uncom 4153	. . . . . . . . . . 11 ⊢ (𝐹 ∪ 𝐻) = (𝐻 ∪ 𝐹)
28	27	oveq1i 7434	. . . . . . . . . 10 ⊢ ((𝐹 ∪ 𝐻) supp 0 ) = ((𝐻 ∪ 𝐹) supp 0 )
29	26, 28	sseqtrrdi 4031	. . . . . . . . 9 ⊢ (𝜑 → (𝐻 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 ))
30	29, 17	sseqtrrdi 4031	. . . . . . . 8 ⊢ (𝜑 → (𝐻 supp 0 ) ⊆ 𝑊)
31	14, 11, 13, 30	gsumcllem 19906	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐻 = (𝑥 ∈ 𝐴 ↦ 0 ))
32	31	oveq2d 7440	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐻) = (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )))
33	32, 23	eqtrd 2766	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg 𝐻) = 0 )
34	24, 33	oveq12d 7442	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)) = ( 0 + 0 ))
35	11	adantr 479	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑊 = ∅) → 𝐴 ∈ 𝑉)
36	5	ad2antrr 724	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑊 = ∅) ∧ 𝑥 ∈ 𝐴) → 0 ∈ 𝐵)
37	35, 36, 36, 19, 31	offval2 7710	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐹 ∘f + 𝐻) = (𝑥 ∈ 𝐴 ↦ ( 0 + 0 )))
38	9	mpteq2dv 5255	. . . . . . 7 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝑥 ∈ 𝐴 ↦ ( 0 + 0 )) = (𝑥 ∈ 𝐴 ↦ 0 ))
39	37, 38	eqtrd 2766	. . . . . 6 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐹 ∘f + 𝐻) = (𝑥 ∈ 𝐴 ↦ 0 ))
40	39	oveq2d 7440	. . . . 5 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = (𝐺 Σg (𝑥 ∈ 𝐴 ↦ 0 )))
41	40, 23	eqtrd 2766	. . . 4 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = 0 )
42	9, 34, 41	3eqtr4rd 2777	. . 3 ⊢ ((𝜑 ∧ 𝑊 = ∅) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)))
43	42	ex 411	. 2 ⊢ (𝜑 → (𝑊 = ∅ → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻))))
44	1	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐺 ∈ Mnd)
45	2, 6	mndcl 18735	. . . . . . . . . 10 ⊢ ((𝐺 ∈ Mnd ∧ 𝑧 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵) → (𝑧 + 𝑤) ∈ 𝐵)
46	45	3expb 1117	. . . . . . . . 9 ⊢ ((𝐺 ∈ Mnd ∧ (𝑧 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)) → (𝑧 + 𝑤) ∈ 𝐵)
47	44, 46	sylan 578	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ (𝑧 ∈ 𝐵 ∧ 𝑤 ∈ 𝐵)) → (𝑧 + 𝑤) ∈ 𝐵)
48	47	caovclg 7618	. . . . . . 7 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ (𝑥 ∈ 𝐵 ∧ 𝑦 ∈ 𝐵)) → (𝑥 + 𝑦) ∈ 𝐵)
49		simprl 769	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (♯‘𝑊) ∈ ℕ)
50		nnuz 12917	. . . . . . . 8 ⊢ ℕ = (ℤ≥‘1)
51	49, 50	eleqtrdi 2836	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (♯‘𝑊) ∈ (ℤ≥‘1))
52	10	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐹:𝐴⟶𝐵)
53		f1of1 6842	. . . . . . . . . . . 12 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → 𝑓:(1...(♯‘𝑊))–1-1→𝑊)
54	53	ad2antll 727	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝑓:(1...(♯‘𝑊))–1-1→𝑊)
55		suppssdm 8191	. . . . . . . . . . . . . 14 ⊢ ((𝐹 ∪ 𝐻) supp 0 ) ⊆ dom (𝐹 ∪ 𝐻)
56	55	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → ((𝐹 ∪ 𝐻) supp 0 ) ⊆ dom (𝐹 ∪ 𝐻))
57	17	a1i 11	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑊 = ((𝐹 ∪ 𝐻) supp 0 ))
58		dmun 5917	. . . . . . . . . . . . . 14 ⊢ dom (𝐹 ∪ 𝐻) = (dom 𝐹 ∪ dom 𝐻)
59	10	fdmd 6738	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → dom 𝐹 = 𝐴)
60	14	fdmd 6738	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → dom 𝐻 = 𝐴)
61	59, 60	uneq12d 4164	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (dom 𝐹 ∪ dom 𝐻) = (𝐴 ∪ 𝐴))
62		unidm 4152	. . . . . . . . . . . . . . 15 ⊢ (𝐴 ∪ 𝐴) = 𝐴
63	61, 62	eqtrdi 2782	. . . . . . . . . . . . . 14 ⊢ (𝜑 → (dom 𝐹 ∪ dom 𝐻) = 𝐴)
64	58, 63	eqtr2id 2779	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝐴 = dom (𝐹 ∪ 𝐻))
65	56, 57, 64	3sstr4d 4027	. . . . . . . . . . . 12 ⊢ (𝜑 → 𝑊 ⊆ 𝐴)
66	65	adantr 479	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝑊 ⊆ 𝐴)
67		f1ss 6803	. . . . . . . . . . 11 ⊢ ((𝑓:(1...(♯‘𝑊))–1-1→𝑊 ∧ 𝑊 ⊆ 𝐴) → 𝑓:(1...(♯‘𝑊))–1-1→𝐴)
68	54, 66, 67	syl2anc 582	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝑓:(1...(♯‘𝑊))–1-1→𝐴)
69		f1f 6798	. . . . . . . . . 10 ⊢ (𝑓:(1...(♯‘𝑊))–1-1→𝐴 → 𝑓:(1...(♯‘𝑊))⟶𝐴)
70	68, 69	syl 17	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝑓:(1...(♯‘𝑊))⟶𝐴)
71		fco 6752	. . . . . . . . 9 ⊢ ((𝐹:𝐴⟶𝐵 ∧ 𝑓:(1...(♯‘𝑊))⟶𝐴) → (𝐹 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵)
72	52, 70, 71	syl2anc 582	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵)
73	72	ffvelcdmda 7098	. . . . . . 7 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘𝑘) ∈ 𝐵)
74	14	adantr 479	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐻:𝐴⟶𝐵)
75		fco 6752	. . . . . . . . 9 ⊢ ((𝐻:𝐴⟶𝐵 ∧ 𝑓:(1...(♯‘𝑊))⟶𝐴) → (𝐻 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵)
76	74, 70, 75	syl2anc 582	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐻 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵)
77	76	ffvelcdmda 7098	. . . . . . 7 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐻 ∘ 𝑓)‘𝑘) ∈ 𝐵)
78	52	ffnd 6729	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐹 Fn 𝐴)
79	74	ffnd 6729	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐻 Fn 𝐴)
80	11	adantr 479	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 𝐴 ∈ 𝑉)
81		ovexd 7459	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (1...(♯‘𝑊)) ∈ V)
82		inidm 4220	. . . . . . . . . . 11 ⊢ (𝐴 ∩ 𝐴) = 𝐴
83	78, 79, 70, 80, 80, 81, 82	ofco 7714	. . . . . . . . . 10 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ((𝐹 ∘f + 𝐻) ∘ 𝑓) = ((𝐹 ∘ 𝑓) ∘f + (𝐻 ∘ 𝑓)))
84	83	fveq1d 6903	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (((𝐹 ∘f + 𝐻) ∘ 𝑓)‘𝑘) = (((𝐹 ∘ 𝑓) ∘f + (𝐻 ∘ 𝑓))‘𝑘))
85	84	adantr 479	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → (((𝐹 ∘f + 𝐻) ∘ 𝑓)‘𝑘) = (((𝐹 ∘ 𝑓) ∘f + (𝐻 ∘ 𝑓))‘𝑘))
86		fnfco 6767	. . . . . . . . . 10 ⊢ ((𝐹 Fn 𝐴 ∧ 𝑓:(1...(♯‘𝑊))⟶𝐴) → (𝐹 ∘ 𝑓) Fn (1...(♯‘𝑊)))
87	78, 70, 86	syl2anc 582	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 ∘ 𝑓) Fn (1...(♯‘𝑊)))
88		fnfco 6767	. . . . . . . . . 10 ⊢ ((𝐻 Fn 𝐴 ∧ 𝑓:(1...(♯‘𝑊))⟶𝐴) → (𝐻 ∘ 𝑓) Fn (1...(♯‘𝑊)))
89	79, 70, 88	syl2anc 582	. . . . . . . . 9 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐻 ∘ 𝑓) Fn (1...(♯‘𝑊)))
90		inidm 4220	. . . . . . . . 9 ⊢ ((1...(♯‘𝑊)) ∩ (1...(♯‘𝑊))) = (1...(♯‘𝑊))
91		eqidd 2727	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘𝑘) = ((𝐹 ∘ 𝑓)‘𝑘))
92		eqidd 2727	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐻 ∘ 𝑓)‘𝑘) = ((𝐻 ∘ 𝑓)‘𝑘))
93	87, 89, 81, 81, 90, 91, 92	ofval 7701	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → (((𝐹 ∘ 𝑓) ∘f + (𝐻 ∘ 𝑓))‘𝑘) = (((𝐹 ∘ 𝑓)‘𝑘) + ((𝐻 ∘ 𝑓)‘𝑘)))
94	85, 93	eqtrd 2766	. . . . . . 7 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → (((𝐹 ∘f + 𝐻) ∘ 𝑓)‘𝑘) = (((𝐹 ∘ 𝑓)‘𝑘) + ((𝐻 ∘ 𝑓)‘𝑘)))
95	1	ad2antrr 724	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝐺 ∈ Mnd)
96		elfzouz 13690	. . . . . . . . . 10 ⊢ (𝑛 ∈ (1..^(♯‘𝑊)) → 𝑛 ∈ (ℤ≥‘1))
97	96	adantl 480	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝑛 ∈ (ℤ≥‘1))
98		elfzouz2 13701	. . . . . . . . . . . . 13 ⊢ (𝑛 ∈ (1..^(♯‘𝑊)) → (♯‘𝑊) ∈ (ℤ≥‘𝑛))
99	98	adantl 480	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (♯‘𝑊) ∈ (ℤ≥‘𝑛))
100		fzss2 13595	. . . . . . . . . . . 12 ⊢ ((♯‘𝑊) ∈ (ℤ≥‘𝑛) → (1...𝑛) ⊆ (1...(♯‘𝑊)))
101	99, 100	syl 17	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (1...𝑛) ⊆ (1...(♯‘𝑊)))
102	101	sselda 3979	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...𝑛)) → 𝑘 ∈ (1...(♯‘𝑊)))
103	73	adantlr 713	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘𝑘) ∈ 𝐵)
104	102, 103	syldan 589	. . . . . . . . 9 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐹 ∘ 𝑓)‘𝑘) ∈ 𝐵)
105	2, 6	mndcl 18735	. . . . . . . . . . 11 ⊢ ((𝐺 ∈ Mnd ∧ 𝑘 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵) → (𝑘 + 𝑥) ∈ 𝐵)
106	105	3expb 1117	. . . . . . . . . 10 ⊢ ((𝐺 ∈ Mnd ∧ (𝑘 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵)) → (𝑘 + 𝑥) ∈ 𝐵)
107	95, 106	sylan 578	. . . . . . . . 9 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ (𝑘 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵)) → (𝑘 + 𝑥) ∈ 𝐵)
108	97, 104, 107	seqcl 14042	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (seq1( + , (𝐹 ∘ 𝑓))‘𝑛) ∈ 𝐵)
109	77	adantlr 713	. . . . . . . . . 10 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...(♯‘𝑊))) → ((𝐻 ∘ 𝑓)‘𝑘) ∈ 𝐵)
110	102, 109	syldan 589	. . . . . . . . 9 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...𝑛)) → ((𝐻 ∘ 𝑓)‘𝑘) ∈ 𝐵)
111	97, 110, 107	seqcl 14042	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) ∈ 𝐵)
112		fzofzp1 13784	. . . . . . . . 9 ⊢ (𝑛 ∈ (1..^(♯‘𝑊)) → (𝑛 + 1) ∈ (1...(♯‘𝑊)))
113		ffvelcdm 7095	. . . . . . . . 9 ⊢ (((𝐹 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵 ∧ (𝑛 + 1) ∈ (1...(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘(𝑛 + 1)) ∈ 𝐵)
114	72, 112, 113	syl2an 594	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘(𝑛 + 1)) ∈ 𝐵)
115		ffvelcdm 7095	. . . . . . . . 9 ⊢ (((𝐻 ∘ 𝑓):(1...(♯‘𝑊))⟶𝐵 ∧ (𝑛 + 1) ∈ (1...(♯‘𝑊))) → ((𝐻 ∘ 𝑓)‘(𝑛 + 1)) ∈ 𝐵)
116	76, 112, 115	syl2an 594	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐻 ∘ 𝑓)‘(𝑛 + 1)) ∈ 𝐵)
117		fvco3 7001	. . . . . . . . . . . 12 ⊢ ((𝑓:(1...(♯‘𝑊))⟶𝐴 ∧ (𝑛 + 1) ∈ (1...(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘(𝑛 + 1)) = (𝐹‘(𝑓‘(𝑛 + 1))))
118	70, 112, 117	syl2an 594	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘(𝑛 + 1)) = (𝐹‘(𝑓‘(𝑛 + 1))))
119		fveq2 6901	. . . . . . . . . . . . 13 ⊢ (𝑘 = (𝑓‘(𝑛 + 1)) → (𝐹‘𝑘) = (𝐹‘(𝑓‘(𝑛 + 1))))
120	119	eleq1d 2811	. . . . . . . . . . . 12 ⊢ (𝑘 = (𝑓‘(𝑛 + 1)) → ((𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}) ↔ (𝐹‘(𝑓‘(𝑛 + 1))) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})))
121		gsumzaddlem.4	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝜑 ∧ (𝑥 ⊆ 𝐴 ∧ 𝑘 ∈ (𝐴 ∖ 𝑥))) → (𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}))
122	121	expr 455	. . . . . . . . . . . . . . . . 17 ⊢ ((𝜑 ∧ 𝑥 ⊆ 𝐴) → (𝑘 ∈ (𝐴 ∖ 𝑥) → (𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})))
123	122	ralrimiv 3135	. . . . . . . . . . . . . . . 16 ⊢ ((𝜑 ∧ 𝑥 ⊆ 𝐴) → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}))
124	123	ex 411	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → (𝑥 ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})))
125	124	alrimiv 1923	. . . . . . . . . . . . . 14 ⊢ (𝜑 → ∀𝑥(𝑥 ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})))
126	125	ad2antrr 724	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ∀𝑥(𝑥 ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})))
127		imassrn 6080	. . . . . . . . . . . . . 14 ⊢ (𝑓 “ (1...𝑛)) ⊆ ran 𝑓
128	70	adantr 479	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝑓:(1...(♯‘𝑊))⟶𝐴)
129	128	frnd 6736	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ran 𝑓 ⊆ 𝐴)
130	127, 129	sstrid 3991	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓 “ (1...𝑛)) ⊆ 𝐴)
131		vex 3466	. . . . . . . . . . . . . . 15 ⊢ 𝑓 ∈ V
132	131	imaex 7927	. . . . . . . . . . . . . 14 ⊢ (𝑓 “ (1...𝑛)) ∈ V
133		sseq1 4005	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (𝑥 ⊆ 𝐴 ↔ (𝑓 “ (1...𝑛)) ⊆ 𝐴))
134		difeq2 4115	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (𝐴 ∖ 𝑥) = (𝐴 ∖ (𝑓 “ (1...𝑛))))
135		reseq2 5984	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (𝐻 ↾ 𝑥) = (𝐻 ↾ (𝑓 “ (1...𝑛))))
136	135	oveq2d 7440	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (𝐺 Σg (𝐻 ↾ 𝑥)) = (𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛)))))
137	136	sneqd 4645	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → {(𝐺 Σg (𝐻 ↾ 𝑥))} = {(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})
138	137	fveq2d 6905	. . . . . . . . . . . . . . . . 17 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}) = (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}))
139	138	eleq2d 2812	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → ((𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}) ↔ (𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})))
140	134, 139	raleqbidv 3330	. . . . . . . . . . . . . . 15 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → (∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))}) ↔ ∀𝑘 ∈ (𝐴 ∖ (𝑓 “ (1...𝑛)))(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})))
141	133, 140	imbi12d 343	. . . . . . . . . . . . . 14 ⊢ (𝑥 = (𝑓 “ (1...𝑛)) → ((𝑥 ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})) ↔ ((𝑓 “ (1...𝑛)) ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ (𝑓 “ (1...𝑛)))(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}))))
142	132, 141	spcv 3591	. . . . . . . . . . . . 13 ⊢ (∀𝑥(𝑥 ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ 𝑥)(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ 𝑥))})) → ((𝑓 “ (1...𝑛)) ⊆ 𝐴 → ∀𝑘 ∈ (𝐴 ∖ (𝑓 “ (1...𝑛)))(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})))
143	126, 130, 142	sylc 65	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ∀𝑘 ∈ (𝐴 ∖ (𝑓 “ (1...𝑛)))(𝐹‘𝑘) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}))
144		ffvelcdm 7095	. . . . . . . . . . . . . 14 ⊢ ((𝑓:(1...(♯‘𝑊))⟶𝐴 ∧ (𝑛 + 1) ∈ (1...(♯‘𝑊))) → (𝑓‘(𝑛 + 1)) ∈ 𝐴)
145	70, 112, 144	syl2an 594	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓‘(𝑛 + 1)) ∈ 𝐴)
146		fzp1nel 13639	. . . . . . . . . . . . . 14 ⊢ ¬ (𝑛 + 1) ∈ (1...𝑛)
147	68	adantr 479	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝑓:(1...(♯‘𝑊))–1-1→𝐴)
148	112	adantl 480	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑛 + 1) ∈ (1...(♯‘𝑊)))
149		f1elima 7278	. . . . . . . . . . . . . . 15 ⊢ ((𝑓:(1...(♯‘𝑊))–1-1→𝐴 ∧ (𝑛 + 1) ∈ (1...(♯‘𝑊)) ∧ (1...𝑛) ⊆ (1...(♯‘𝑊))) → ((𝑓‘(𝑛 + 1)) ∈ (𝑓 “ (1...𝑛)) ↔ (𝑛 + 1) ∈ (1...𝑛)))
150	147, 148, 101, 149	syl3anc 1368	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝑓‘(𝑛 + 1)) ∈ (𝑓 “ (1...𝑛)) ↔ (𝑛 + 1) ∈ (1...𝑛)))
151	146, 150	mtbiri 326	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ¬ (𝑓‘(𝑛 + 1)) ∈ (𝑓 “ (1...𝑛)))
152	145, 151	eldifd 3958	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓‘(𝑛 + 1)) ∈ (𝐴 ∖ (𝑓 “ (1...𝑛))))
153	120, 143, 152	rspcdva 3609	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝐹‘(𝑓‘(𝑛 + 1))) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}))
154	118, 153	eqeltrd 2826	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐹 ∘ 𝑓)‘(𝑛 + 1)) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}))
155		gsumzadd.z	. . . . . . . . . . . . 13 ⊢ 𝑍 = (Cntz‘𝐺)
156	132	a1i 11	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓 “ (1...𝑛)) ∈ V)
157	14	ad2antrr 724	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝐻:𝐴⟶𝐵)
158	157, 130	fssresd 6769	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝐻 ↾ (𝑓 “ (1...𝑛))):(𝑓 “ (1...𝑛))⟶𝐵)
159		gsumzaddlem.2	. . . . . . . . . . . . . . 15 ⊢ (𝜑 → ran 𝐻 ⊆ (𝑍‘ran 𝐻))
160	159	ad2antrr 724	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ran 𝐻 ⊆ (𝑍‘ran 𝐻))
161		resss 6011	. . . . . . . . . . . . . . 15 ⊢ (𝐻 ↾ (𝑓 “ (1...𝑛))) ⊆ 𝐻
162	161	rnssi 5946	. . . . . . . . . . . . . 14 ⊢ ran (𝐻 ↾ (𝑓 “ (1...𝑛))) ⊆ ran 𝐻
163	155	cntzidss 19334	. . . . . . . . . . . . . 14 ⊢ ((ran 𝐻 ⊆ (𝑍‘ran 𝐻) ∧ ran (𝐻 ↾ (𝑓 “ (1...𝑛))) ⊆ ran 𝐻) → ran (𝐻 ↾ (𝑓 “ (1...𝑛))) ⊆ (𝑍‘ran (𝐻 ↾ (𝑓 “ (1...𝑛)))))
164	160, 162, 163	sylancl 584	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ran (𝐻 ↾ (𝑓 “ (1...𝑛))) ⊆ (𝑍‘ran (𝐻 ↾ (𝑓 “ (1...𝑛)))))
165	97, 50	eleqtrrdi 2837	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → 𝑛 ∈ ℕ)
166		f1ores 6857	. . . . . . . . . . . . . . 15 ⊢ ((𝑓:(1...(♯‘𝑊))–1-1→𝐴 ∧ (1...𝑛) ⊆ (1...(♯‘𝑊))) → (𝑓 ↾ (1...𝑛)):(1...𝑛)–1-1-onto→(𝑓 “ (1...𝑛)))
167	147, 101, 166	syl2anc 582	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓 ↾ (1...𝑛)):(1...𝑛)–1-1-onto→(𝑓 “ (1...𝑛)))
168		f1of1 6842	. . . . . . . . . . . . . 14 ⊢ ((𝑓 ↾ (1...𝑛)):(1...𝑛)–1-1-onto→(𝑓 “ (1...𝑛)) → (𝑓 ↾ (1...𝑛)):(1...𝑛)–1-1→(𝑓 “ (1...𝑛)))
169	167, 168	syl 17	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓 ↾ (1...𝑛)):(1...𝑛)–1-1→(𝑓 “ (1...𝑛)))
170		suppssdm 8191	. . . . . . . . . . . . . . 15 ⊢ ((𝐻 ↾ (𝑓 “ (1...𝑛))) supp 0 ) ⊆ dom (𝐻 ↾ (𝑓 “ (1...𝑛)))
171		dmres 6021	. . . . . . . . . . . . . . . 16 ⊢ dom (𝐻 ↾ (𝑓 “ (1...𝑛))) = ((𝑓 “ (1...𝑛)) ∩ dom 𝐻)
172	171	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → dom (𝐻 ↾ (𝑓 “ (1...𝑛))) = ((𝑓 “ (1...𝑛)) ∩ dom 𝐻))
173	170, 172	sseqtrid 4032	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐻 ↾ (𝑓 “ (1...𝑛))) supp 0 ) ⊆ ((𝑓 “ (1...𝑛)) ∩ dom 𝐻))
174		inss1 4230	. . . . . . . . . . . . . . 15 ⊢ ((𝑓 “ (1...𝑛)) ∩ dom 𝐻) ⊆ (𝑓 “ (1...𝑛))
175		df-ima 5695	. . . . . . . . . . . . . . . 16 ⊢ (𝑓 “ (1...𝑛)) = ran (𝑓 ↾ (1...𝑛))
176	175	a1i 11	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝑓 “ (1...𝑛)) = ran (𝑓 ↾ (1...𝑛)))
177	174, 176	sseqtrid 4032	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝑓 “ (1...𝑛)) ∩ dom 𝐻) ⊆ ran (𝑓 ↾ (1...𝑛)))
178	173, 177	sstrd 3990	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((𝐻 ↾ (𝑓 “ (1...𝑛))) supp 0 ) ⊆ ran (𝑓 ↾ (1...𝑛)))
179		eqid 2726	. . . . . . . . . . . . 13 ⊢ (((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))) supp 0 ) = (((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))) supp 0 )
180	2, 3, 6, 155, 95, 156, 158, 164, 165, 169, 178, 179	gsumval3 19905	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛)))) = (seq1( + , ((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))))‘𝑛))
181	175	eqimss2i 4041	. . . . . . . . . . . . . . . . . 18 ⊢ ran (𝑓 ↾ (1...𝑛)) ⊆ (𝑓 “ (1...𝑛))
182		cores 6260	. . . . . . . . . . . . . . . . . 18 ⊢ (ran (𝑓 ↾ (1...𝑛)) ⊆ (𝑓 “ (1...𝑛)) → ((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))) = (𝐻 ∘ (𝑓 ↾ (1...𝑛))))
183	181, 182	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))) = (𝐻 ∘ (𝑓 ↾ (1...𝑛)))
184		resco 6261	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐻 ∘ 𝑓) ↾ (1...𝑛)) = (𝐻 ∘ (𝑓 ↾ (1...𝑛)))
185	183, 184	eqtr4i 2757	. . . . . . . . . . . . . . . 16 ⊢ ((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))) = ((𝐻 ∘ 𝑓) ↾ (1...𝑛))
186	185	fveq1i 6902	. . . . . . . . . . . . . . 15 ⊢ (((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛)))‘𝑘) = (((𝐻 ∘ 𝑓) ↾ (1...𝑛))‘𝑘)
187		fvres 6920	. . . . . . . . . . . . . . 15 ⊢ (𝑘 ∈ (1...𝑛) → (((𝐻 ∘ 𝑓) ↾ (1...𝑛))‘𝑘) = ((𝐻 ∘ 𝑓)‘𝑘))
188	186, 187	eqtrid 2778	. . . . . . . . . . . . . 14 ⊢ (𝑘 ∈ (1...𝑛) → (((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛)))‘𝑘) = ((𝐻 ∘ 𝑓)‘𝑘))
189	188	adantl 480	. . . . . . . . . . . . 13 ⊢ ((((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) ∧ 𝑘 ∈ (1...𝑛)) → (((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛)))‘𝑘) = ((𝐻 ∘ 𝑓)‘𝑘))
190	97, 189	seqfveq 14046	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (seq1( + , ((𝐻 ↾ (𝑓 “ (1...𝑛))) ∘ (𝑓 ↾ (1...𝑛))))‘𝑛) = (seq1( + , (𝐻 ∘ 𝑓))‘𝑛))
191	180, 190	eqtr2d 2767	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) = (𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛)))))
192		fvex 6914	. . . . . . . . . . . 12 ⊢ (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) ∈ V
193	192	elsn 4648	. . . . . . . . . . 11 ⊢ ((seq1( + , (𝐻 ∘ 𝑓))‘𝑛) ∈ {(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))} ↔ (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) = (𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛)))))
194	191, 193	sylibr 233	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) ∈ {(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))})
195	6, 155	cntzi 19323	. . . . . . . . . 10 ⊢ ((((𝐹 ∘ 𝑓)‘(𝑛 + 1)) ∈ (𝑍‘{(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}) ∧ (seq1( + , (𝐻 ∘ 𝑓))‘𝑛) ∈ {(𝐺 Σg (𝐻 ↾ (𝑓 “ (1...𝑛))))}) → (((𝐹 ∘ 𝑓)‘(𝑛 + 1)) + (seq1( + , (𝐻 ∘ 𝑓))‘𝑛)) = ((seq1( + , (𝐻 ∘ 𝑓))‘𝑛) + ((𝐹 ∘ 𝑓)‘(𝑛 + 1))))
196	154, 194, 195	syl2anc 582	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (((𝐹 ∘ 𝑓)‘(𝑛 + 1)) + (seq1( + , (𝐻 ∘ 𝑓))‘𝑛)) = ((seq1( + , (𝐻 ∘ 𝑓))‘𝑛) + ((𝐹 ∘ 𝑓)‘(𝑛 + 1))))
197	196	eqcomd 2732	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → ((seq1( + , (𝐻 ∘ 𝑓))‘𝑛) + ((𝐹 ∘ 𝑓)‘(𝑛 + 1))) = (((𝐹 ∘ 𝑓)‘(𝑛 + 1)) + (seq1( + , (𝐻 ∘ 𝑓))‘𝑛)))
198	2, 6, 95, 108, 111, 114, 116, 197	mnd4g 18741	. . . . . . 7 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑛 ∈ (1..^(♯‘𝑊))) → (((seq1( + , (𝐹 ∘ 𝑓))‘𝑛) + (seq1( + , (𝐻 ∘ 𝑓))‘𝑛)) + (((𝐹 ∘ 𝑓)‘(𝑛 + 1)) + ((𝐻 ∘ 𝑓)‘(𝑛 + 1)))) = (((seq1( + , (𝐹 ∘ 𝑓))‘𝑛) + ((𝐹 ∘ 𝑓)‘(𝑛 + 1))) + ((seq1( + , (𝐻 ∘ 𝑓))‘𝑛) + ((𝐻 ∘ 𝑓)‘(𝑛 + 1)))))
199	48, 48, 51, 73, 77, 94, 198	seqcaopr3 14057	. . . . . 6 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (seq1( + , ((𝐹 ∘f + 𝐻) ∘ 𝑓))‘(♯‘𝑊)) = ((seq1( + , (𝐹 ∘ 𝑓))‘(♯‘𝑊)) + (seq1( + , (𝐻 ∘ 𝑓))‘(♯‘𝑊))))
200	47, 52, 74, 80, 80, 82	off 7708	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 ∘f + 𝐻):𝐴⟶𝐵)
201		gsumzaddlem.3	. . . . . . . 8 ⊢ (𝜑 → ran (𝐹 ∘f + 𝐻) ⊆ (𝑍‘ran (𝐹 ∘f + 𝐻)))
202	201	adantr 479	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ran (𝐹 ∘f + 𝐻) ⊆ (𝑍‘ran (𝐹 ∘f + 𝐻)))
203	44, 106	sylan 578	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ (𝑘 ∈ 𝐵 ∧ 𝑥 ∈ 𝐵)) → (𝑘 + 𝑥) ∈ 𝐵)
204	203, 52, 74, 80, 80, 82	off 7708	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 ∘f + 𝐻):𝐴⟶𝐵)
205		eldifi 4126	. . . . . . . . . 10 ⊢ (𝑥 ∈ (𝐴 ∖ ran 𝑓) → 𝑥 ∈ 𝐴)
206		eqidd 2727	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ 𝐴) → (𝐹‘𝑥) = (𝐹‘𝑥))
207		eqidd 2727	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ 𝐴) → (𝐻‘𝑥) = (𝐻‘𝑥))
208	78, 79, 80, 80, 82, 206, 207	ofval 7701	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ 𝐴) → ((𝐹 ∘f + 𝐻)‘𝑥) = ((𝐹‘𝑥) + (𝐻‘𝑥)))
209	205, 208	sylan2 591	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → ((𝐹 ∘f + 𝐻)‘𝑥) = ((𝐹‘𝑥) + (𝐻‘𝑥)))
210	16	adantr 479	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 ))
211		f1ofo 6850	. . . . . . . . . . . . . . . 16 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → 𝑓:(1...(♯‘𝑊))–onto→𝑊)
212		forn 6818	. . . . . . . . . . . . . . . 16 ⊢ (𝑓:(1...(♯‘𝑊))–onto→𝑊 → ran 𝑓 = 𝑊)
213	211, 212	syl 17	. . . . . . . . . . . . . . 15 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → ran 𝑓 = 𝑊)
214	213, 17	eqtrdi 2782	. . . . . . . . . . . . . 14 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → ran 𝑓 = ((𝐹 ∪ 𝐻) supp 0 ))
215	214	sseq2d 4012	. . . . . . . . . . . . 13 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → ((𝐹 supp 0 ) ⊆ ran 𝑓 ↔ (𝐹 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 )))
216	215	ad2antll 727	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ((𝐹 supp 0 ) ⊆ ran 𝑓 ↔ (𝐹 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 )))
217	210, 216	mpbird 256	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐹 supp 0 ) ⊆ ran 𝑓)
218	12	a1i 11	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → 0 ∈ V)
219	52, 217, 80, 218	suppssr 8210	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → (𝐹‘𝑥) = 0 )
220	26	adantr 479	. . . . . . . . . . . . 13 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐻 supp 0 ) ⊆ ((𝐻 ∪ 𝐹) supp 0 ))
221	220, 28	sseqtrrdi 4031	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐻 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 ))
222	214	sseq2d 4012	. . . . . . . . . . . . 13 ⊢ (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → ((𝐻 supp 0 ) ⊆ ran 𝑓 ↔ (𝐻 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 )))
223	222	ad2antll 727	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ((𝐻 supp 0 ) ⊆ ran 𝑓 ↔ (𝐻 supp 0 ) ⊆ ((𝐹 ∪ 𝐻) supp 0 )))
224	221, 223	mpbird 256	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐻 supp 0 ) ⊆ ran 𝑓)
225	74, 224, 80, 218	suppssr 8210	. . . . . . . . . 10 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → (𝐻‘𝑥) = 0 )
226	219, 225	oveq12d 7442	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → ((𝐹‘𝑥) + (𝐻‘𝑥)) = ( 0 + 0 ))
227	8	ad2antrr 724	. . . . . . . . 9 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → ( 0 + 0 ) = 0 )
228	209, 226, 227	3eqtrd 2770	. . . . . . . 8 ⊢ (((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) ∧ 𝑥 ∈ (𝐴 ∖ ran 𝑓)) → ((𝐹 ∘f + 𝐻)‘𝑥) = 0 )
229	204, 228	suppss 8208	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ((𝐹 ∘f + 𝐻) supp 0 ) ⊆ ran 𝑓)
230		ovex 7457	. . . . . . . . 9 ⊢ (𝐹 ∘f + 𝐻) ∈ V
231	230, 131	coex 7943	. . . . . . . 8 ⊢ ((𝐹 ∘f + 𝐻) ∘ 𝑓) ∈ V
232		suppimacnv 8188	. . . . . . . . 9 ⊢ ((((𝐹 ∘f + 𝐻) ∘ 𝑓) ∈ V ∧ 0 ∈ V) → (((𝐹 ∘f + 𝐻) ∘ 𝑓) supp 0 ) = (◡((𝐹 ∘f + 𝐻) ∘ 𝑓) “ (V ∖ { 0 })))
233	232	eqcomd 2732	. . . . . . . 8 ⊢ ((((𝐹 ∘f + 𝐻) ∘ 𝑓) ∈ V ∧ 0 ∈ V) → (◡((𝐹 ∘f + 𝐻) ∘ 𝑓) “ (V ∖ { 0 })) = (((𝐹 ∘f + 𝐻) ∘ 𝑓) supp 0 ))
234	231, 12, 233	mp2an 690	. . . . . . 7 ⊢ (◡((𝐹 ∘f + 𝐻) ∘ 𝑓) “ (V ∖ { 0 })) = (((𝐹 ∘f + 𝐻) ∘ 𝑓) supp 0 )
235	2, 3, 6, 155, 44, 80, 200, 202, 49, 68, 229, 234	gsumval3 19905	. . . . . 6 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = (seq1( + , ((𝐹 ∘f + 𝐻) ∘ 𝑓))‘(♯‘𝑊)))
236		gsumzaddlem.1	. . . . . . . . 9 ⊢ (𝜑 → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
237	236	adantr 479	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ran 𝐹 ⊆ (𝑍‘ran 𝐹))
238		eqid 2726	. . . . . . . 8 ⊢ ((𝐹 ∘ 𝑓) supp 0 ) = ((𝐹 ∘ 𝑓) supp 0 )
239	2, 3, 6, 155, 44, 80, 52, 237, 49, 68, 217, 238	gsumval3 19905	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐺 Σg 𝐹) = (seq1( + , (𝐹 ∘ 𝑓))‘(♯‘𝑊)))
240	159	adantr 479	. . . . . . . 8 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ran 𝐻 ⊆ (𝑍‘ran 𝐻))
241		eqid 2726	. . . . . . . 8 ⊢ ((𝐻 ∘ 𝑓) supp 0 ) = ((𝐻 ∘ 𝑓) supp 0 )
242	2, 3, 6, 155, 44, 80, 74, 240, 49, 68, 224, 241	gsumval3 19905	. . . . . . 7 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐺 Σg 𝐻) = (seq1( + , (𝐻 ∘ 𝑓))‘(♯‘𝑊)))
243	239, 242	oveq12d 7442	. . . . . 6 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)) = ((seq1( + , (𝐹 ∘ 𝑓))‘(♯‘𝑊)) + (seq1( + , (𝐻 ∘ 𝑓))‘(♯‘𝑊))))
244	199, 235, 243	3eqtr4d 2776	. . . . 5 ⊢ ((𝜑 ∧ ((♯‘𝑊) ∈ ℕ ∧ 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)))
245	244	expr 455	. . . 4 ⊢ ((𝜑 ∧ (♯‘𝑊) ∈ ℕ) → (𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻))))
246	245	exlimdv 1929	. . 3 ⊢ ((𝜑 ∧ (♯‘𝑊) ∈ ℕ) → (∃𝑓 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊 → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻))))
247	246	expimpd 452	. 2 ⊢ (𝜑 → (((♯‘𝑊) ∈ ℕ ∧ ∃𝑓 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊) → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻))))
248		gsumzadd.fn	. . . . 5 ⊢ (𝜑 → 𝐹 finSupp 0 )
249		gsumzadd.hn	. . . . 5 ⊢ (𝜑 → 𝐻 finSupp 0 )
250	248, 249	fsuppun 9430	. . . 4 ⊢ (𝜑 → ((𝐹 ∪ 𝐻) supp 0 ) ∈ Fin)
251	17, 250	eqeltrid 2830	. . 3 ⊢ (𝜑 → 𝑊 ∈ Fin)
252		fz1f1o 15714	. . 3 ⊢ (𝑊 ∈ Fin → (𝑊 = ∅ ∨ ((♯‘𝑊) ∈ ℕ ∧ ∃𝑓 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)))
253	251, 252	syl 17	. 2 ⊢ (𝜑 → (𝑊 = ∅ ∨ ((♯‘𝑊) ∈ ℕ ∧ ∃𝑓 𝑓:(1...(♯‘𝑊))–1-1-onto→𝑊)))
254	43, 247, 253	mpjaod 858	1 ⊢ (𝜑 → (𝐺 Σg (𝐹 ∘f + 𝐻)) = ((𝐺 Σg 𝐹) + (𝐺 Σg 𝐻)))

Syntax hints:   → wi 4   ↔ wb 205   ∧ wa 394   ∨ wo 845  ∀wal 1532   = wceq 1534  ∃wex 1774   ∈ wcel 2099  ∀wral 3051  Vcvv 3462   ∖ cdif 3944   ∪ cun 3945   ∩ cin 3946   ⊆ wss 3947  ∅c0 4325  {csn 4633   class class class wbr 5153   ↦ cmpt 5236  ^◡ccnv 5681  dom cdm 5682  ran crn 5683   ↾ cres 5684   “ cima 5685   ∘ ccom 5686   Fn wfn 6549  ⟶wf 6550  –1-1→wf1 6551  –onto→wfo 6552  –1-1-onto→wf1o 6553  ‘cfv 6554  (class class class)co 7424   ∘_f cof 7688   supp csupp 8174  Fincfn 8974   finSupp cfsupp 9405  1c1 11159   + caddc 11161  ℕcn 12264  ℤ_≥cuz 12874  ...cfz 13538  ..^cfzo 13681  seqcseq 14021  ♯chash 14347  Basecbs 17213  +_gcplusg 17266  0_gc0g 17454   Σ_g cgsu 17455  Mndcmnd 18727  Cntzccntz 19309

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1790  ax-4 1804  ax-5 1906  ax-6 1964  ax-7 2004  ax-8 2101  ax-9 2109  ax-10 2130  ax-11 2147  ax-12 2167  ax-ext 2697  ax-rep 5290  ax-sep 5304  ax-nul 5311  ax-pow 5369  ax-pr 5433  ax-un 7746  ax-cnex 11214  ax-resscn 11215  ax-1cn 11216  ax-icn 11217  ax-addcl 11218  ax-addrcl 11219  ax-mulcl 11220  ax-mulrcl 11221  ax-mulcom 11222  ax-addass 11223  ax-mulass 11224  ax-distr 11225  ax-i2m1 11226  ax-1ne0 11227  ax-1rid 11228  ax-rnegex 11229  ax-rrecex 11230  ax-cnre 11231  ax-pre-lttri 11232  ax-pre-lttrn 11233  ax-pre-ltadd 11234  ax-pre-mulgt0 11235

This theorem depends on definitions:  df-bi 206  df-an 395  df-or 846  df-3or 1085  df-3an 1086  df-tru 1537  df-fal 1547  df-ex 1775  df-nf 1779  df-sb 2061  df-mo 2529  df-eu 2558  df-clab 2704  df-cleq 2718  df-clel 2803  df-nfc 2878  df-ne 2931  df-nel 3037  df-ral 3052  df-rex 3061  df-rmo 3364  df-reu 3365  df-rab 3420  df-v 3464  df-sbc 3777  df-csb 3893  df-dif 3950  df-un 3952  df-in 3954  df-ss 3964  df-pss 3967  df-nul 4326  df-if 4534  df-pw 4609  df-sn 4634  df-pr 4636  df-op 4640  df-uni 4914  df-int 4955  df-iun 5003  df-br 5154  df-opab 5216  df-mpt 5237  df-tr 5271  df-id 5580  df-eprel 5586  df-po 5594  df-so 5595  df-fr 5637  df-se 5638  df-we 5639  df-xp 5688  df-rel 5689  df-cnv 5690  df-co 5691  df-dm 5692  df-rn 5693  df-res 5694  df-ima 5695  df-pred 6312  df-ord 6379  df-on 6380  df-lim 6381  df-suc 6382  df-iota 6506  df-fun 6556  df-fn 6557  df-f 6558  df-f1 6559  df-fo 6560  df-f1o 6561  df-fv 6562  df-isom 6563  df-riota 7380  df-ov 7427  df-oprab 7428  df-mpo 7429  df-of 7690  df-om 7877  df-1st 8003  df-2nd 8004  df-supp 8175  df-frecs 8296  df-wrecs 8327  df-recs 8401  df-rdg 8440  df-1o 8496  df-er 8734  df-en 8975  df-dom 8976  df-sdom 8977  df-fin 8978  df-fsupp 9406  df-oi 9553  df-card 9982  df-pnf 11300  df-mnf 11301  df-xr 11302  df-ltxr 11303  df-le 11304  df-sub 11496  df-neg 11497  df-nn 12265  df-n0 12525  df-z 12611  df-uz 12875  df-fz 13539  df-fzo 13682  df-seq 14022  df-hash 14348  df-0g 17456  df-gsum 17457  df-mgm 18633  df-sgrp 18712  df-mnd 18728  df-cntz 19311

This theorem is referenced by:  gsumzadd  19920  dprdfadd  20020