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Theorem tsmsres 24100

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 4191	. . . . . . . . . . . 12 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝐴
2	1	sspwi 4568	. . . . . . . . . . 11 ⊢ 𝒫 (𝐴 ∩ 𝑊) ⊆ 𝒫 𝐴
3		ssrin 4196	. . . . . . . . . . 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 3933	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑎 ∈ (𝒫 𝐴 ∩ Fin))
7		elfpw 9266	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 ∈ (𝒫 𝐴 ∩ Fin) ↔ (𝑧 ⊆ 𝐴 ∧ 𝑧 ∈ Fin))
8	7	simplbi 496	. . . . . . . . . . . . . . 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 4198	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
11		elinel2 4156	. . . . . . . . . . . . . . 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 4191	. . . . . . . . . . . . . 14 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑧
14		ssfi 9109	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ Fin ∧ (𝑧 ∩ 𝑊) ⊆ 𝑧) → (𝑧 ∩ 𝑊) ∈ Fin)
15	12, 13, 14	sylancl 587	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ Fin)
16		elfpw 9266	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑧 ∩ 𝑊) ∈ Fin))
17	10, 15, 16	sylanbrc 584	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
18		sseq2 3962	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ 𝑎 ⊆ (𝑧 ∩ 𝑊)))
19		ssin 4193	. . . . . . . . . . . . . . 15 ⊢ ((𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊) ↔ 𝑎 ⊆ (𝑧 ∩ 𝑊))
20	18, 19	bitr4di 289	. . . . . . . . . . . . . 14 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ (𝑎 ⊆ 𝑧 ∧ 𝑎 ⊆ 𝑊)))
21		reseq2 5941	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = ((𝐹 ↾ 𝑊) ↾ (𝑧 ∩ 𝑊)))
22		inss2 4192	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑊
23		resabs1 5973	. . . . . . . . . . . . . . . . . 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 2788	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ (𝑧 ∩ 𝑊)))
26	25	oveq2d 7384	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))))
27	26	eleq1d 2822	. . . . . . . . . . . . . 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 3574	. . . . . . . . . . . 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 9266	. . . . . . . . . . . . . . . 16 ⊢ (𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ (𝑎 ⊆ (𝐴 ∩ 𝑊) ∧ 𝑎 ∈ Fin))
32	31	simplbi 496	. . . . . . . . . . . . . . 15 ⊢ (𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑎 ⊆ (𝐴 ∩ 𝑊))
33	32	ad2antlr 728	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑎 ⊆ (𝐴 ∩ 𝑊))
34		inss2 4192	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝑊
35	33, 34	sstrdi 3948	. . . . . . . . . . . . 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 727	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐺 ∈ CMnd)
41		tsmsres.f	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
42	41	ad2antrr 727	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹:𝐴⟶𝐵)
43	42, 9	fssresd 6709	. . . . . . . . . . . . . . 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 7183	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝐹 ∈ V)
46	45	ad2antrr 727	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹 ∈ V)
47	38	fvexi 6856	. . . . . . . . . . . . . . . . 17 ⊢ 0 ∈ V
48		ressuppss 8135	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹 ∈ V ∧ 0 ∈ V) → ((𝐹 ↾ 𝑧) supp 0 ) ⊆ (𝐹 supp 0 ))
49	46, 47, 48	sylancl 587	. . . . . . . . . . . . . . . 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 727	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 supp 0 ) ⊆ 𝑊)
52	49, 51	sstrd 3946	. . . . . . . . . . . . . . 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 9290	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 ↾ 𝑧) finSupp 0 )
55	37, 38, 40, 12, 43, 52, 54	gsumres 19854	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ 𝑧)))
56		resres 5959	. . . . . . . . . . . . . . 15 ⊢ ((𝐹 ↾ 𝑧) ↾ 𝑊) = (𝐹 ↾ (𝑧 ∩ 𝑊))
57	56	oveq2i 7379	. . . . . . . . . . . . . 14 ⊢ (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊)))
58	55, 57	eqtr3di 2787	. . . . . . . . . . . . 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 2822	. . . . . . . . . . . 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 259	. . . . . . . . . 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 3138	. . . . . . . . 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 3961	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → (𝑦 ⊆ 𝑧 ↔ 𝑎 ⊆ 𝑧))
64	63	rspceaimv 3584	. . . . . . . . 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 685	. . . . . . . 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 3139	. . . . . . 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 9266	. . . . . . . . . . . . 13 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) ↔ (𝑦 ⊆ 𝐴 ∧ 𝑦 ∈ Fin))
68	67	simplbi 496	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) → 𝑦 ⊆ 𝐴)
69	68	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑦 ⊆ 𝐴)
70	69	ssrind 4198	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
71		elinel2 4156	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) → 𝑦 ∈ Fin)
72	71	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑦 ∈ Fin)
73		inss1 4191	. . . . . . . . . . 11 ⊢ (𝑦 ∩ 𝑊) ⊆ 𝑦
74		ssfi 9109	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ Fin ∧ (𝑦 ∩ 𝑊) ⊆ 𝑦) → (𝑦 ∩ 𝑊) ∈ Fin)
75	72, 73, 74	sylancl 587	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ Fin)
76		elfpw 9266	. . . . . . . . . 10 ⊢ ((𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑦 ∩ 𝑊) ∈ Fin))
77	70, 75, 76	sylanbrc 584	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
78	68	ad2antlr 728	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑦 ⊆ 𝐴)
79		elfpw 9266	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ (𝑏 ⊆ (𝐴 ∩ 𝑊) ∧ 𝑏 ∈ Fin))
80	79	simplbi 496	. . . . . . . . . . . . . . . 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 3948	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝐴)
83	78, 82	unssd 4146	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
84		elinel2 4156	. . . . . . . . . . . . . 14 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑏 ∈ Fin)
85		unfi 9107	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ Fin ∧ 𝑏 ∈ Fin) → (𝑦 ∪ 𝑏) ∈ Fin)
86	72, 84, 85	syl2an 597	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ Fin)
87		elfpw 9266	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin) ↔ ((𝑦 ∪ 𝑏) ⊆ 𝐴 ∧ (𝑦 ∪ 𝑏) ∈ Fin))
88	83, 86, 87	sylanbrc 584	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin))
89		ssun1 4132	. . . . . . . . . . . . . . . 16 ⊢ 𝑦 ⊆ (𝑦 ∪ 𝑏)
90		id 22	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → 𝑧 = (𝑦 ∪ 𝑏))
91	89, 90	sseqtrrid 3979	. . . . . . . . . . . . . . 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 5941	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐹 ↾ 𝑧) = (𝐹 ↾ (𝑦 ∪ 𝑏)))
95	94	oveq2d 7384	. . . . . . . . . . . . . . 15 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐺 Σ_g (𝐹 ↾ 𝑧)) = (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))))
96	95	eleq1d 2822	. . . . . . . . . . . . . 14 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → ((𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢 ↔ (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
97	93, 96	bitrd 279	. . . . . . . . . . . . 13 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → ((𝑦 ⊆ 𝑧 → (𝐺 Σ_g (𝐹 ↾ 𝑧)) ∈ 𝑢) ↔ (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))) ∈ 𝑢))
98	97	rspcv 3574	. . . . . . . . . . . 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 727	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐺 ∈ CMnd)
101	86	adantrr 718	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ∈ Fin)
102	41	ad2antrr 727	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐹:𝐴⟶𝐵)
103	83	adantrr 718	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
104	102, 103	fssresd 6709	. . . . . . . . . . . . . . . . 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 727	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ∈ V ∧ 0 ∈ V))
107		ressuppss 8135	. . . . . . . . . . . . . . . . . . 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 727	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 supp 0 ) ⊆ 𝑊)
110	108, 109	sstrd 3946	. . . . . . . . . . . . . . . . 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 9290	. . . . . . . . . . . . . . . . 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 19854	. . . . . . . . . . . . . . . 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 5959	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊))
115		indir 4240	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑦 ∪ 𝑏) ∩ 𝑊) = ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊))
116	81, 34	sstrdi 3948	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝑊)
117	116	adantrr 718	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝑏 ⊆ 𝑊)
118		dfss2 3921	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (𝑏 ⊆ 𝑊 ↔ (𝑏 ∩ 𝑊) = 𝑏)
119	117, 118	sylib 218	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑏 ∩ 𝑊) = 𝑏)
120	119	uneq2d 4122	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊)) = ((𝑦 ∩ 𝑊) ∪ 𝑏))
121		simprr 773	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∩ 𝑊) ⊆ 𝑏)
122		ssequn1 4140	. . . . . . . . . . . . . . . . . . . . . . 23 ⊢ ((𝑦 ∩ 𝑊) ⊆ 𝑏 ↔ ((𝑦 ∩ 𝑊) ∪ 𝑏) = 𝑏)
123	121, 122	sylib 218	. . . . . . . . . . . . . . . . . . . . . 22 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ 𝑏) = 𝑏)
124	120, 123	eqtrd 2772	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊)) = 𝑏)
125	115, 124	eqtrid 2784	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∪ 𝑏) ∩ 𝑊) = 𝑏)
126	125	reseq2d 5946	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊)) = (𝐹 ↾ 𝑏))
127	114, 126	eqtrid 2784	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ 𝑏))
128	117	resabs1d 5975	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ 𝑏))
129	127, 128	eqtr4d 2775	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = ((𝐹 ↾ 𝑊) ↾ 𝑏))
130	129	oveq2d 7384	. . . . . . . . . . . . . . . 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 2774	. . . . . . . . . . . . . . 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 2822	. . . . . . . . . . . . . 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 229	. . . . . . . . . . . . 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 3138	. . . . . . . . 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 3961	. . . . . . . . . 10 ⊢ (𝑎 = (𝑦 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ (𝑦 ∩ 𝑊) ⊆ 𝑏))
139	138	rspceaimv 3584	. . . . . . . . 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 685	. . . . . . . 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 3139	. . . . . . 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 212	. . . . . 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 3161	. . . 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 631	. . 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 2737	. . . 4 ⊢ (TopOpen‘𝐺) = (TopOpen‘𝐺)
147		eqid 2737	. . . 4 ⊢ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) = (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)
148		tsmsres.2	. . . 4 ⊢ (𝜑 → 𝐺 ∈ TopSp)
149		inex1g 5266	. . . . 5 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝑊) ∈ V)
150	44, 149	syl 17	. . . 4 ⊢ (𝜑 → (𝐴 ∩ 𝑊) ∈ V)
151		fssres 6708	. . . . . 6 ⊢ ((𝐹:𝐴⟶𝐵 ∧ (𝐴 ∩ 𝑊) ⊆ 𝐴) → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
152	41, 1, 151	sylancl 587	. . . . 5 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
153		resres 5959	. . . . . . 7 ⊢ ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ (𝐴 ∩ 𝑊))
154		ffn 6670	. . . . . . . . 9 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹 Fn 𝐴)
155		fnresdm 6619	. . . . . . . . 9 ⊢ (𝐹 Fn 𝐴 → (𝐹 ↾ 𝐴) = 𝐹)
156	41, 154, 155	3syl 18	. . . . . . . 8 ⊢ (𝜑 → (𝐹 ↾ 𝐴) = 𝐹)
157	156	reseq1d 5945	. . . . . . 7 ⊢ (𝜑 → ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ 𝑊))
158	153, 157	eqtr3id 2786	. . . . . 6 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)) = (𝐹 ↾ 𝑊))
159	158	feq1d 6652	. . . . 5 ⊢ (𝜑 → ((𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵 ↔ (𝐹 ↾ 𝑊):(𝐴 ∩ 𝑊)⟶𝐵))
160	152, 159	mpbid 232	. . . 4 ⊢ (𝜑 → (𝐹 ↾ 𝑊):(𝐴 ∩ 𝑊)⟶𝐵)
161	37, 146, 147, 39, 148, 150, 160	eltsms 24089	. . 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 2737	. . . 4 ⊢ (𝒫 𝐴 ∩ Fin) = (𝒫 𝐴 ∩ Fin)
163	37, 146, 162, 39, 148, 44, 41	eltsms 24089	. . 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 311	. 2 ⊢ (𝜑 → (𝑥 ∈ (𝐺 tsums (𝐹 ↾ 𝑊)) ↔ 𝑥 ∈ (𝐺 tsums 𝐹)))
165	164	eqrdv 2735	1 ⊢ (𝜑 → (𝐺 tsums (𝐹 ↾ 𝑊)) = (𝐺 tsums 𝐹))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 206 ∧ wa 395 = wceq 1542 ∈ wcel 2114 ∀wral 3052 ∃wrex 3062 Vcvv 3442 ∪ cun 3901 ∩ cin 3902 ⊆ wss 3903 𝒫 cpw 4556 ↾ cres 5634 Fn wfn 6495 ⟶wf 6496 ‘cfv 6500 (class class class)co 7368 supp csupp 8112 Fincfn 8895 Basecbs 17148 TopOpenctopn 17353 0_gc0g 17371 Σ_g cgsu 17372 CMndccmn 19721 TopSpctps 22888 tsums ctsu 24082

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

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-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-se 5586 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-isom 6509 df-riota 7325 df-ov 7371 df-oprab 7372 df-mpo 7373 df-om 7819 df-1st 7943 df-2nd 7944 df-supp 8113 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-fsupp 9277 df-oi 9427 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-nn 12158 df-n0 12414 df-z 12501 df-uz 12764 df-fz 13436 df-fzo 13583 df-seq 13937 df-hash 14266 df-0g 17373 df-gsum 17374 df-mgm 18577 df-sgrp 18656 df-mnd 18672 df-cntz 19258 df-cmn 19723 df-fbas 21318 df-fg 21319 df-top 22850 df-topon 22867 df-topsp 22889 df-ntr 22976 df-nei 23054 df-fil 23802 df-fm 23894 df-flim 23895 df-flf 23896 df-tsms 24083

This theorem is referenced by: tsmssplit 24108 esumss 34249

W3C validator