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Theorem tsmsres 23203

Description: Extend an infinite group sum by padding outside with zeroes. (Contributed by Mario Carneiro, 18-Sep-2015.) (Revised by AV, 25-Jul-2019.)

**Hypotheses**
Ref	Expression
tsmsres.b	⊢ 𝐵 = (Base‘𝐺)
tsmsres.z	⊢ 0 = (0_g‘𝐺)
tsmsres.1	⊢ (𝜑 → 𝐺 ∈ CMnd)
tsmsres.2	⊢ (𝜑 → 𝐺 ∈ TopSp)
tsmsres.a	⊢ (𝜑 → 𝐴 ∈ 𝑉)
tsmsres.f	⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
tsmsres.s	⊢ (𝜑 → (𝐹 supp 0 ) ⊆ 𝑊)

**Assertion**
Ref	Expression
tsmsres	⊢ (𝜑 → (𝐺 tsums (𝐹 ↾ 𝑊)) = (𝐺 tsums 𝐹))

Proof of Theorem tsmsres Dummy variables 𝑎 𝑏 𝑢 𝑦 𝑧 𝑥 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		inss1 4159	. . . . . . . . . . . 12 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝐴
2	1	sspwi 4544	. . . . . . . . . . 11 ⊢ 𝒫 (𝐴 ∩ 𝑊) ⊆ 𝒫 𝐴
3		ssrin 4164	. . . . . . . . . . 11 ⊢ (𝒫 (𝐴 ∩ 𝑊) ⊆ 𝒫 𝐴 → (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ⊆ (𝒫 𝐴 ∩ Fin))
4	2, 3	ax-mp 5	. . . . . . . . . 10 ⊢ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ⊆ (𝒫 𝐴 ∩ Fin)
5		simpr 484	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
6	4, 5	sselid 3915	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑎 ∈ (𝒫 𝐴 ∩ Fin))
7		elfpw 9051	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) ↔ (𝑧 ⊆ 𝐴 ∧ 𝑧 ∈ Fin))
8	7	simplbi 497	. . . . . . . . . . . . . . 15 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → 𝑧 ⊆ 𝐴)
9	8	adantl 481	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑧 ⊆ 𝐴)
10	9	ssrind 4166	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
11		elinel2 4126	. . . . . . . . . . . . . . 15 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) → 𝑧 ∈ Fin)
12	11	adantl 481	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑧 ∈ Fin)
13		inss1 4159	. . . . . . . . . . . . . 14 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑧
14		ssfi 8918	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ Fin ∧ (𝑧 ∩ 𝑊) ⊆ 𝑧) → (𝑧 ∩ 𝑊) ∈ Fin)
15	12, 13, 14	sylancl 585	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ Fin)
16		elfpw 9051	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑧 ∩ 𝑊) ∈ Fin))
17	10, 15, 16	sylanbrc 582	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
18		sseq2 3943	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ 𝑎 ⊆ (𝑧 ∩ 𝑊)))
19		ssin 4161	. . . . . . . . . . . . . . 15 ⊢ ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) ↔ 𝑎 ⊆ (𝑧 ∩ 𝑊))
20	18, 19	bitr4di 288	. . . . . . . . . . . . . 14 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ (𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊)))
21		reseq2 5875	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = ((𝐹 ↾ 𝑊) ↾ (𝑧 ∩ 𝑊)))
22		inss2 4160	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑊
23		resabs1 5910	. . . . . . . . . . . . . . . . . 18 ⊢ ((𝑧 ∩ 𝑊) ⊆ 𝑊 → ((𝐹 ↾ 𝑊) ↾ (𝑧 ∩ 𝑊)) = (𝐹 ↾ (𝑧 ∩ 𝑊)))
24	22, 23	ax-mp 5	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹 ↾ 𝑊) ↾ (𝑧 ∩ 𝑊)) = (𝐹 ↾ (𝑧 ∩ 𝑊))
25	21, 24	eqtrdi 2795	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ (𝑧 ∩ 𝑊)))
26	25	oveq2d 7271	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))))
27	26	eleq1d 2823	. . . . . . . . . . . . . 14 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢 ↔ (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢))
28	20, 27	imbi12d 344	. . . . . . . . . . . . 13 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) ↔ ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) → (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢)))
29	28	rspcv 3547	. . . . . . . . . . . 12 ⊢ ((𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → (∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) → (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢)))
30	17, 29	syl 17	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) → (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢)))
31		elfpw 9051	. . . . . . . . . . . . . . . 16 ⊢ (𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ (𝑎 ⊆ (𝐴 ∩ 𝑊) ∧ 𝑎 ∈ Fin))
32	31	simplbi 497	. . . . . . . . . . . . . . 15 ⊢ (𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑎 ⊆ (𝐴 ∩ 𝑊))
33	32	ad2antlr 723	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑎 ⊆ (𝐴 ∩ 𝑊))
34		inss2 4160	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝑊
35	33, 34	sstrdi 3929	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑎 ⊆ 𝑊)
36	35	biantrud 531	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑎 ⊆ 𝑧 ↔ (𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊)))
37		tsmsres.b	. . . . . . . . . . . . . . 15 ⊢ 𝐵 = (Base‘𝐺)
38		tsmsres.z	. . . . . . . . . . . . . . 15 ⊢ 0 = (0_g‘𝐺)
39		tsmsres.1	. . . . . . . . . . . . . . . 16 ⊢ (𝜑 → 𝐺 ∈ CMnd)
40	39	ad2antrr 722	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐺 ∈ CMnd)
41		tsmsres.f	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
42	41	ad2antrr 722	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹:𝐴⟶𝐵)
43	42, 9	fssresd 6625	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 ↾ 𝑧):𝑧⟶𝐵)
44		tsmsres.a	. . . . . . . . . . . . . . . . . . 19 ⊢ (𝜑 → 𝐴 ∈ 𝑉)
45	41, 44	fexd 7085	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝐹 ∈ V)
46	45	ad2antrr 722	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹 ∈ V)
47	38	fvexi 6770	. . . . . . . . . . . . . . . . 17 ⊢ 0 ∈ V
48		ressuppss 7970	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹 ∈ V ∧ 0 ∈ V) → ((𝐹 ↾ 𝑧) supp 0 ) ⊆ (𝐹 supp 0 ))
49	46, 47, 48	sylancl 585	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → ((𝐹 ↾ 𝑧) supp 0 ) ⊆ (𝐹 supp 0 ))
50		tsmsres.s	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → (𝐹 supp 0 ) ⊆ 𝑊)
51	50	ad2antrr 722	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 supp 0 ) ⊆ 𝑊)
52	49, 51	sstrd 3927	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → ((𝐹 ↾ 𝑧) supp 0 ) ⊆ 𝑊)
53	47	a1i 11	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 0 ∈ V)
54	43, 12, 53	fdmfifsupp 9068	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 ↾ 𝑧) finSupp 0 )
55	37, 38, 40, 12, 43, 52, 54	gsumres 19429	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ 𝑧)))
56		resres 5893	. . . . . . . . . . . . . . 15 ⊢ ((𝐹 ↾ 𝑧) ↾ 𝑊) = (𝐹 ↾ (𝑧 ∩ 𝑊))
57	56	oveq2i 7266	. . . . . . . . . . . . . 14 ⊢ (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊)))
58	55, 57	eqtr3di 2794	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐺 Σ_g (𝐹 ↾ 𝑧)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))))
59	58	eleq1d 2823	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → ((𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢 ↔ (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢))
60	36, 59	imbi12d 344	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → ((𝑎 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) ↔ ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) → (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))) ∈ 𝑢)))
61	30, 60	sylibrd 258	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → (𝑎 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))
62	61	ralrimdva 3112	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → ∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑎 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))
63		sseq1 3942	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → (𝑦 ⊆ 𝑧 ↔ 𝑎 ⊆ 𝑧))
64	63	rspceaimv 3557	. . . . . . . . 9 ⊢ ((𝑎 ∈ (𝒫 𝐴 ∩ Fin) ∧ ∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑎 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)) → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢))
65	6, 62, 64	syl6an 680	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))
66	65	rexlimdva 3212	. . . . . . 7 ⊢ (𝜑 → (∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))
67		elfpw 9051	. . . . . . . . . . . . 13 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) ↔ (𝑦 ⊆ 𝐴 ∧ 𝑦 ∈ Fin))
68	67	simplbi 497	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) → 𝑦 ⊆ 𝐴)
69	68	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑦 ⊆ 𝐴)
70	69	ssrind 4166	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
71		elinel2 4126	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) → 𝑦 ∈ Fin)
72	71	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑦 ∈ Fin)
73		inss1 4159	. . . . . . . . . . 11 ⊢ (𝑦 ∩ 𝑊) ⊆ 𝑦
74		ssfi 8918	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ Fin ∧ (𝑦 ∩ 𝑊) ⊆ 𝑦) → (𝑦 ∩ 𝑊) ∈ Fin)
75	72, 73, 74	sylancl 585	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ Fin)
76		elfpw 9051	. . . . . . . . . 10 ⊢ ((𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑦 ∩ 𝑊) ∈ Fin))
77	70, 75, 76	sylanbrc 582	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
78	68	ad2antlr 723	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑦 ⊆ 𝐴)
79		elfpw 9051	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ (𝑏 ⊆ (𝐴 ∩ 𝑊) ∧ 𝑏 ∈ Fin))
80	79	simplbi 497	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑏 ⊆ (𝐴 ∩ 𝑊))
81	80	adantl 481	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ (𝐴 ∩ 𝑊))
82	81, 1	sstrdi 3929	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝐴)
83	78, 82	unssd 4116	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
84		elinel2 4126	. . . . . . . . . . . . . 14 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑏 ∈ Fin)
85		unfi 8917	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ Fin ∧ 𝑏 ∈ Fin) → (𝑦 ∪ 𝑏) ∈ Fin)
86	72, 84, 85	syl2an 595	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ Fin)
87		elfpw 9051	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin) ↔ ((𝑦 ∪ 𝑏) ⊆ 𝐴 ∧ (𝑦 ∪ 𝑏) ∈ Fin))
88	83, 86, 87	sylanbrc 582	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin))
89		ssun1 4102	. . . . . . . . . . . . . . . 16 ⊢ 𝑦 ⊆ (𝑦 ∪ 𝑏)
90		id 22	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → 𝑧 = (𝑦 ∪ 𝑏))
91	89, 90	sseqtrrid 3970	. . . . . . . . . . . . . . 15 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → 𝑦 ⊆ 𝑧)
92		pm5.5 361	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ⊆ 𝑧 → ((𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) ↔ (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢))
93	91, 92	syl 17	. . . . . . . . . . . . . 14 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → ((𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) ↔ (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢))
94		reseq2 5875	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐹 ↾ 𝑧) = (𝐹 ↾ (𝑦 ∪ 𝑏)))
95	94	oveq2d 7271	. . . . . . . . . . . . . . 15 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐺 Σ_g (𝐹 ↾ 𝑧)) = (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))))
96	95	eleq1d 2823	. . . . . . . . . . . . . 14 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → ((𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢 ↔ (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
97	93, 96	bitrd 278	. . . . . . . . . . . . 13 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → ((𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) ↔ (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
98	97	rspcv 3547	. . . . . . . . . . . 12 ⊢ ((𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin) → (∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
99	88, 98	syl 17	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
100	39	ad2antrr 722	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐺 ∈ CMnd)
101	86	adantrr 713	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ∈ Fin)
102	41	ad2antrr 722	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐹:𝐴⟶𝐵)
103	83	adantrr 713	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
104	102, 103	fssresd 6625	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ↾ (𝑦 ∪ 𝑏)):(𝑦 ∪ 𝑏)⟶𝐵)
105	45, 47	jctir 520	. . . . . . . . . . . . . . . . . . . 20 ⊢ (𝜑 → (𝐹 ∈ V ∧ 0 ∈ V))
106	105	ad2antrr 722	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ∈ V ∧ 0 ∈ V))
107		ressuppss 7970	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹 ∈ V ∧ 0 ∈ V) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) supp 0 ) ⊆ (𝐹 supp 0 ))
108	106, 107	syl 17	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) supp 0 ) ⊆ (𝐹 supp 0 ))
109	50	ad2antrr 722	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 supp 0 ) ⊆ 𝑊)
110	108, 109	sstrd 3927	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) supp 0 ) ⊆ 𝑊)
111	47	a1i 11	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 0 ∈ V)
112	104, 101, 111	fdmfifsupp 9068	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ↾ (𝑦 ∪ 𝑏)) finSupp 0 )
113	37, 38, 100, 101, 104, 110, 112	gsumres 19429	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐺 Σ_g ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))))
114		resres 5893	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊))
115		indir 4206	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑦 ∪ 𝑏) ∩ 𝑊) = ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊))
116	81, 34	sstrdi 3929	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝑊)
117	116	adantrr 713	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝑏 ⊆ 𝑊)
118		df-ss 3900	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑏 ⊆ 𝑊 ↔ (𝑏 ∩ 𝑊) = 𝑏)
119	117, 118	sylib 217	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑏 ∩ 𝑊) = 𝑏)
120	119	uneq2d 4093	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊)) = ((𝑦 ∩ 𝑊) ∪ 𝑏))
121		simprr 769	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∩ 𝑊) ⊆ 𝑏)
122		ssequn1 4110	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑦 ∩ 𝑊) ⊆ 𝑏 ↔ ((𝑦 ∩ 𝑊) ∪ 𝑏) = 𝑏)
123	121, 122	sylib 217	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ 𝑏) = 𝑏)
124	120, 123	eqtrd 2778	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊)) = 𝑏)
125	115, 124	eqtrid 2790	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∪ 𝑏) ∩ 𝑊) = 𝑏)
126	125	reseq2d 5880	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊)) = (𝐹 ↾ 𝑏))
127	114, 126	eqtrid 2790	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ 𝑏))
128	117	resabs1d 5911	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ 𝑏))
129	127, 128	eqtr4d 2781	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = ((𝐹 ↾ 𝑊) ↾ 𝑏))
130	129	oveq2d 7271	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐺 Σ_g ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊)) = (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)))
131	113, 130	eqtr3d 2780	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) = (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)))
132	131	eleq1d 2823	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢 ↔ (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢))
133	132	biimpd 228	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢))
134	133	expr 456	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → ((𝑦 ∩ 𝑊) ⊆ 𝑏 → ((𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
135	134	com23 86	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → ((𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢 → ((𝑦 ∩ 𝑊) ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
136	99, 135	syld 47	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → ((𝑦 ∩ 𝑊) ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
137	136	ralrimdva 3112	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → ∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)((𝑦 ∩ 𝑊) ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
138		sseq1 3942	. . . . . . . . . 10 ⊢ (𝑎 = (𝑦 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ (𝑦 ∩ 𝑊) ⊆ 𝑏))
139	138	rspceaimv 3557	. . . . . . . . 9 ⊢ (((𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ ∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)((𝑦 ∩ 𝑊) ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)) → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢))
140	77, 137, 139	syl6an 680	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
141	140	rexlimdva 3212	. . . . . . 7 ⊢ (𝜑 → (∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))
142	66, 141	impbid 211	. . . . . 6 ⊢ (𝜑 → (∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢) ↔ ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))
143	142	imbi2d 340	. . . . 5 ⊢ (𝜑 → ((𝑥 ∈ 𝑢 → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)) ↔ (𝑥 ∈ 𝑢 → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢))))
144	143	ralbidv 3120	. . . 4 ⊢ (𝜑 → (∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)) ↔ ∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢))))
145	144	anbi2d 628	. . 3 ⊢ (𝜑 → ((𝑥 ∈ 𝐵 ∧ ∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢))) ↔ (𝑥 ∈ 𝐵 ∧ ∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))))
146		eqid 2738	. . . 4 ⊢ (TopOpen‘𝐺) = (TopOpen‘𝐺)
147		eqid 2738	. . . 4 ⊢ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) = (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)
148		tsmsres.2	. . . 4 ⊢ (𝜑 → 𝐺 ∈ TopSp)
149		inex1g 5238	. . . . 5 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝑊) ∈ V)
150	44, 149	syl 17	. . . 4 ⊢ (𝜑 → (𝐴 ∩ 𝑊) ∈ V)
151		fssres 6624	. . . . . 6 ⊢ ((𝐹:𝐴⟶𝐵 ∧ (𝐴 ∩ 𝑊) ⊆ 𝐴) → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
152	41, 1, 151	sylancl 585	. . . . 5 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
153		resres 5893	. . . . . . 7 ⊢ ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ (𝐴 ∩ 𝑊))
154		ffn 6584	. . . . . . . . 9 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹 Fn 𝐴)
155		fnresdm 6535	. . . . . . . . 9 ⊢ (𝐹 Fn 𝐴 → (𝐹 ↾ 𝐴) = 𝐹)
156	41, 154, 155	3syl 18	. . . . . . . 8 ⊢ (𝜑 → (𝐹 ↾ 𝐴) = 𝐹)
157	156	reseq1d 5879	. . . . . . 7 ⊢ (𝜑 → ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ 𝑊))
158	153, 157	eqtr3id 2793	. . . . . 6 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)) = (𝐹 ↾ 𝑊))
159	158	feq1d 6569	. . . . 5 ⊢ (𝜑 → ((𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵 ↔ (𝐹 ↾ 𝑊):(𝐴 ∩ 𝑊)⟶𝐵))
160	152, 159	mpbid 231	. . . 4 ⊢ (𝜑 → (𝐹 ↾ 𝑊):(𝐴 ∩ 𝑊)⟶𝐵)
161	37, 146, 147, 39, 148, 150, 160	eltsms 23192	. . 3 ⊢ (𝜑 → (𝑥 ∈ (𝐺 tsums (𝐹 ↾ 𝑊)) ↔ (𝑥 ∈ 𝐵 ∧ ∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)∀𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)(𝑎 ⊆ 𝑏 → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) ∈ 𝑢)))))
162		eqid 2738	. . . 4 ⊢ (𝒫 𝐴 ∩ Fin) = (𝒫 𝐴 ∩ Fin)
163	37, 146, 162, 39, 148, 44, 41	eltsms 23192	. . 3 ⊢ (𝜑 → (𝑥 ∈ (𝐺 tsums 𝐹) ↔ (𝑥 ∈ 𝐵 ∧ ∀𝑢 ∈ (TopOpen‘𝐺)(𝑥 ∈ 𝑢 → ∃𝑦 ∈ (𝒫 𝐴 ∩ Fin)∀𝑧 ∈ (𝒫 𝐴 ∩ Fin)(𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢)))))
164	145, 161, 163	3bitr4d 310	. 2 ⊢ (𝜑 → (𝑥 ∈ (𝐺 tsums (𝐹 ↾ 𝑊)) ↔ 𝑥 ∈ (𝐺 tsums 𝐹)))
165	164	eqrdv 2736	1 ⊢ (𝜑 → (𝐺 tsums (𝐹 ↾ 𝑊)) = (𝐺 tsums 𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1539 ∈ wcel 2108 ∀wral 3063 ∃wrex 3064 Vcvv 3422 ∪ cun 3881 ∩ cin 3882 ⊆ wss 3883 𝒫 cpw 4530 ↾ cres 5582 Fn wfn 6413 ⟶wf 6414 ‘cfv 6418 (class class class)co 7255 supp csupp 7948 Fincfn 8691 Basecbs 16840 TopOpenctopn 17049 0_gc0g 17067 Σ_g cgsu 17068 CMndccmn 19301 TopSpctps 21989 tsums ctsu 23185

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1799 ax-4 1813 ax-5 1914 ax-6 1972 ax-7 2012 ax-8 2110 ax-9 2118 ax-10 2139 ax-11 2156 ax-12 2173 ax-ext 2709 ax-rep 5205 ax-sep 5218 ax-nul 5225 ax-pow 5283 ax-pr 5347 ax-un 7566 ax-cnex 10858 ax-resscn 10859 ax-1cn 10860 ax-icn 10861 ax-addcl 10862 ax-addrcl 10863 ax-mulcl 10864 ax-mulrcl 10865 ax-mulcom 10866 ax-addass 10867 ax-mulass 10868 ax-distr 10869 ax-i2m1 10870 ax-1ne0 10871 ax-1rid 10872 ax-rnegex 10873 ax-rrecex 10874 ax-cnre 10875 ax-pre-lttri 10876 ax-pre-lttrn 10877 ax-pre-ltadd 10878 ax-pre-mulgt0 10879

This theorem depends on definitions: df-bi 206 df-an 396 df-or 844 df-3or 1086 df-3an 1087 df-tru 1542 df-fal 1552 df-ex 1784 df-nf 1788 df-sb 2069 df-mo 2540 df-eu 2569 df-clab 2716 df-cleq 2730 df-clel 2817 df-nfc 2888 df-ne 2943 df-nel 3049 df-ral 3068 df-rex 3069 df-reu 3070 df-rmo 3071 df-rab 3072 df-v 3424 df-sbc 3712 df-csb 3829 df-dif 3886 df-un 3888 df-in 3890 df-ss 3900 df-pss 3902 df-nul 4254 df-if 4457 df-pw 4532 df-sn 4559 df-pr 4561 df-tp 4563 df-op 4565 df-uni 4837 df-int 4877 df-iun 4923 df-br 5071 df-opab 5133 df-mpt 5154 df-tr 5188 df-id 5480 df-eprel 5486 df-po 5494 df-so 5495 df-fr 5535 df-se 5536 df-we 5537 df-xp 5586 df-rel 5587 df-cnv 5588 df-co 5589 df-dm 5590 df-rn 5591 df-res 5592 df-ima 5593 df-pred 6191 df-ord 6254 df-on 6255 df-lim 6256 df-suc 6257 df-iota 6376 df-fun 6420 df-fn 6421 df-f 6422 df-f1 6423 df-fo 6424 df-f1o 6425 df-fv 6426 df-isom 6427 df-riota 7212 df-ov 7258 df-oprab 7259 df-mpo 7260 df-om 7688 df-1st 7804 df-2nd 7805 df-supp 7949 df-frecs 8068 df-wrecs 8099 df-recs 8173 df-rdg 8212 df-1o 8267 df-er 8456 df-map 8575 df-en 8692 df-dom 8693 df-sdom 8694 df-fin 8695 df-fsupp 9059 df-oi 9199 df-card 9628 df-pnf 10942 df-mnf 10943 df-xr 10944 df-ltxr 10945 df-le 10946 df-sub 11137 df-neg 11138 df-nn 11904 df-n0 12164 df-z 12250 df-uz 12512 df-fz 13169 df-fzo 13312 df-seq 13650 df-hash 13973 df-0g 17069 df-gsum 17070 df-mgm 18241 df-sgrp 18290 df-mnd 18301 df-cntz 18838 df-cmn 19303 df-fbas 20507 df-fg 20508 df-top 21951 df-topon 21968 df-topsp 21990 df-ntr 22079 df-nei 22157 df-fil 22905 df-fm 22997 df-flim 22998 df-flf 22999 df-tsms 23186

This theorem is referenced by: tsmssplit 23211 esumss 31940

W3C validator