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Theorem tsmsres 24152

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 4237	. . . . . . . . . . . 12 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝐴
2	1	sspwi 4612	. . . . . . . . . . 11 ⊢ 𝒫 (𝐴 ∩ 𝑊) ⊆ 𝒫 𝐴
3		ssrin 4242	. . . . . . . . . . 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 3981	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑎 ∈ (𝒫 𝐴 ∩ Fin))
7		elfpw 9394	. . . . . . . . . . . . . . . 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 4244	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
11		elinel2 4202	. . . . . . . . . . . . . . 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 4237	. . . . . . . . . . . . . 14 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑧
14		ssfi 9213	. . . . . . . . . . . . . 14 ⊢ ((𝑧 ∈ Fin ∧ (𝑧 ∩ 𝑊) ⊆ 𝑧) → (𝑧 ∩ 𝑊) ∈ Fin)
15	12, 13, 14	sylancl 586	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ Fin)
16		elfpw 9394	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑧 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑧 ∩ 𝑊) ∈ Fin))
17	10, 15, 16	sylanbrc 583	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑧 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
18		sseq2 4010	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ 𝑎 ⊆ (𝑧 ∩ 𝑊)))
19		ssin 4239	. . . . . . . . . . . . . . 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 5992	. . . . . . . . . . . . . . . . 17 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = ((𝐹 ↾ 𝑊) ↾ (𝑧 ∩ 𝑊)))
22		inss2 4238	. . . . . . . . . . . . . . . . . 18 ⊢ (𝑧 ∩ 𝑊) ⊆ 𝑊
23		resabs1 6024	. . . . . . . . . . . . . . . . . 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 2793	. . . . . . . . . . . . . . . 16 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ (𝑧 ∩ 𝑊)))
26	25	oveq2d 7447	. . . . . . . . . . . . . . 15 ⊢ (𝑏 = (𝑧 ∩ 𝑊) → (𝐺 Σ_g ((𝐹 ↾ 𝑊) ↾ 𝑏)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊))))
27	26	eleq1d 2826	. . . . . . . . . . . . . 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 3618	. . . . . . . . . . . 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 9394	. . . . . . . . . . . . . . . 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 727	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑎 ⊆ (𝐴 ∩ 𝑊))
34		inss2 4238	. . . . . . . . . . . . . 14 ⊢ (𝐴 ∩ 𝑊) ⊆ 𝑊
35	33, 34	sstrdi 3996	. . . . . . . . . . . . 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 726	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐺 ∈ CMnd)
41		tsmsres.f	. . . . . . . . . . . . . . . . 17 ⊢ (𝜑 → 𝐹:𝐴⟶𝐵)
42	41	ad2antrr 726	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹:𝐴⟶𝐵)
43	42, 9	fssresd 6775	. . . . . . . . . . . . . . 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 7247	. . . . . . . . . . . . . . . . . 18 ⊢ (𝜑 → 𝐹 ∈ V)
46	45	ad2antrr 726	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → 𝐹 ∈ V)
47	38	fvexi 6920	. . . . . . . . . . . . . . . . 17 ⊢ 0 ∈ V
48		ressuppss 8208	. . . . . . . . . . . . . . . . 17 ⊢ ((𝐹 ∈ V ∧ 0 ∈ V) → ((𝐹 ↾ 𝑧) supp 0 ) ⊆ (𝐹 supp 0 ))
49	46, 47, 48	sylancl 586	. . . . . . . . . . . . . . . 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 726	. . . . . . . . . . . . . . . 16 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 supp 0 ) ⊆ 𝑊)
52	49, 51	sstrd 3994	. . . . . . . . . . . . . . 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 9415	. . . . . . . . . . . . . . 15 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐹 ↾ 𝑧) finSupp 0 )
55	37, 38, 40, 12, 43, 52, 54	gsumres 19931	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑎 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) ∧ 𝑧 ∈ (𝒫 𝐴 ∩ Fin)) → (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ 𝑧)))
56		resres 6010	. . . . . . . . . . . . . . 15 ⊢ ((𝐹 ↾ 𝑧) ↾ 𝑊) = (𝐹 ↾ (𝑧 ∩ 𝑊))
57	56	oveq2i 7442	. . . . . . . . . . . . . 14 ⊢ (𝐺 Σ_g ((𝐹 ↾ 𝑧) ↾ 𝑊)) = (𝐺 Σ_g (𝐹 ↾ (𝑧 ∩ 𝑊)))
58	55, 57	eqtr3di 2792	. . . . . . . . . . . . 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 2826	. . . . . . . . . . . 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 3154	. . . . . . . . 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 4009	. . . . . . . . . 10 ⊢ (𝑦 = 𝑎 → (𝑦 ⊆ 𝑧 ↔ 𝑎 ⊆ 𝑧))
64	63	rspceaimv 3628	. . . . . . . . 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 684	. . . . . . . 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 3155	. . . . . . 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 9394	. . . . . . . . . . . . 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 4244	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊))
71		elinel2 4202	. . . . . . . . . . . 12 ⊢ (𝑦 ∈ (𝒫 𝐴 ∩ Fin) → 𝑦 ∈ Fin)
72	71	adantl 481	. . . . . . . . . . 11 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → 𝑦 ∈ Fin)
73		inss1 4237	. . . . . . . . . . 11 ⊢ (𝑦 ∩ 𝑊) ⊆ 𝑦
74		ssfi 9213	. . . . . . . . . . 11 ⊢ ((𝑦 ∈ Fin ∧ (𝑦 ∩ 𝑊) ⊆ 𝑦) → (𝑦 ∩ 𝑊) ∈ Fin)
75	72, 73, 74	sylancl 586	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ Fin)
76		elfpw 9394	. . . . . . . . . 10 ⊢ ((𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ↔ ((𝑦 ∩ 𝑊) ⊆ (𝐴 ∩ 𝑊) ∧ (𝑦 ∩ 𝑊) ∈ Fin))
77	70, 75, 76	sylanbrc 583	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) → (𝑦 ∩ 𝑊) ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin))
78	68	ad2antlr 727	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑦 ⊆ 𝐴)
79		elfpw 9394	. . . . . . . . . . . . . . . . 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 3996	. . . . . . . . . . . . . 14 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝐴)
83	78, 82	unssd 4192	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
84		elinel2 4202	. . . . . . . . . . . . . 14 ⊢ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) → 𝑏 ∈ Fin)
85		unfi 9211	. . . . . . . . . . . . . 14 ⊢ ((𝑦 ∈ Fin ∧ 𝑏 ∈ Fin) → (𝑦 ∪ 𝑏) ∈ Fin)
86	72, 84, 85	syl2an 596	. . . . . . . . . . . . 13 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ Fin)
87		elfpw 9394	. . . . . . . . . . . . 13 ⊢ ((𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin) ↔ ((𝑦 ∪ 𝑏) ⊆ 𝐴 ∧ (𝑦 ∪ 𝑏) ∈ Fin))
88	83, 86, 87	sylanbrc 583	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → (𝑦 ∪ 𝑏) ∈ (𝒫 𝐴 ∩ Fin))
89		ssun1 4178	. . . . . . . . . . . . . . . 16 ⊢ 𝑦 ⊆ (𝑦 ∪ 𝑏)
90		id 22	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → 𝑧 = (𝑦 ∪ 𝑏))
91	89, 90	sseqtrrid 4027	. . . . . . . . . . . . . . 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 5992	. . . . . . . . . . . . . . . 16 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐹 ↾ 𝑧) = (𝐹 ↾ (𝑦 ∪ 𝑏)))
95	94	oveq2d 7447	. . . . . . . . . . . . . . 15 ⊢ (𝑧 = (𝑦 ∪ 𝑏) → (𝐺 Σ_g (𝐹 ↾ 𝑧)) = (𝐺 Σ_g (𝐹 ↾ (𝑦 ∪ 𝑏))))
96	95	eleq1d 2826	. . . . . . . . . . . . . 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 3618	. . . . . . . . . . . 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 726	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐺 ∈ CMnd)
101	86	adantrr 717	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ∈ Fin)
102	41	ad2antrr 726	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝐹:𝐴⟶𝐵)
103	83	adantrr 717	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝑦 ∪ 𝑏) ⊆ 𝐴)
104	102, 103	fssresd 6775	. . . . . . . . . . . . . . . . 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 726	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ∈ V ∧ 0 ∈ V))
107		ressuppss 8208	. . . . . . . . . . . . . . . . . . 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 726	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 supp 0 ) ⊆ 𝑊)
110	108, 109	sstrd 3994	. . . . . . . . . . . . . . . . 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 9415	. . . . . . . . . . . . . . . . 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 19931	. . . . . . . . . . . . . . . 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 6010	. . . . . . . . . . . . . . . . . . 19 ⊢ ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊))
115		indir 4286	. . . . . . . . . . . . . . . . . . . . 21 ⊢ ((𝑦 ∪ 𝑏) ∩ 𝑊) = ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊))
116	81, 34	sstrdi 3996	. . . . . . . . . . . . . . . . . . . . . . . . 25 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ 𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin)) → 𝑏 ⊆ 𝑊)
117	116	adantrr 717	. . . . . . . . . . . . . . . . . . . . . . . 24 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → 𝑏 ⊆ 𝑊)
118		dfss2 3969	. . . . . . . . . . . . . . . . . . . . . . . 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 4168	. . . . . . . . . . . . . . . . . . . . . 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 4186	. . . . . . . . . . . . . . . . . . . . . . 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 2777	. . . . . . . . . . . . . . . . . . . . 21 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∩ 𝑊) ∪ (𝑏 ∩ 𝑊)) = 𝑏)
125	115, 124	eqtrid 2789	. . . . . . . . . . . . . . . . . . . 20 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝑦 ∪ 𝑏) ∩ 𝑊) = 𝑏)
126	125	reseq2d 5997	. . . . . . . . . . . . . . . . . . 19 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → (𝐹 ↾ ((𝑦 ∪ 𝑏) ∩ 𝑊)) = (𝐹 ↾ 𝑏))
127	114, 126	eqtrid 2789	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = (𝐹 ↾ 𝑏))
128	117	resabs1d 6026	. . . . . . . . . . . . . . . . . 18 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ 𝑊) ↾ 𝑏) = (𝐹 ↾ 𝑏))
129	127, 128	eqtr4d 2780	. . . . . . . . . . . . . . . . 17 ⊢ (((𝜑 ∧ 𝑦 ∈ (𝒫 𝐴 ∩ Fin)) ∧ (𝑏 ∈ (𝒫 (𝐴 ∩ 𝑊) ∩ Fin) ∧ (𝑦 ∩ 𝑊) ⊆ 𝑏)) → ((𝐹 ↾ (𝑦 ∪ 𝑏)) ↾ 𝑊) = ((𝐹 ↾ 𝑊) ↾ 𝑏))
130	129	oveq2d 7447	. . . . . . . . . . . . . . . 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 2779	. . . . . . . . . . . . . . 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 2826	. . . . . . . . . . . . . 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 3154	. . . . . . . . 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 4009	. . . . . . . . . 10 ⊢ (𝑎 = (𝑦 ∩ 𝑊) → (𝑎 ⊆ 𝑏 ↔ (𝑦 ∩ 𝑊) ⊆ 𝑏))
139	138	rspceaimv 3628	. . . . . . . . 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 684	. . . . . . . 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 3155	. . . . . . 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 3178	. . . 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 630	. . 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 5319	. . . . 5 ⊢ (𝐴 ∈ 𝑉 → (𝐴 ∩ 𝑊) ∈ V)
150	44, 149	syl 17	. . . 4 ⊢ (𝜑 → (𝐴 ∩ 𝑊) ∈ V)
151		fssres 6774	. . . . . 6 ⊢ ((𝐹:𝐴⟶𝐵 ∧ (𝐴 ∩ 𝑊) ⊆ 𝐴) → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
152	41, 1, 151	sylancl 586	. . . . 5 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)):(𝐴 ∩ 𝑊)⟶𝐵)
153		resres 6010	. . . . . . 7 ⊢ ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ (𝐴 ∩ 𝑊))
154		ffn 6736	. . . . . . . . 9 ⊢ (𝐹:𝐴⟶𝐵 → 𝐹 Fn 𝐴)
155		fnresdm 6687	. . . . . . . . 9 ⊢ (𝐹 Fn 𝐴 → (𝐹 ↾ 𝐴) = 𝐹)
156	41, 154, 155	3syl 18	. . . . . . . 8 ⊢ (𝜑 → (𝐹 ↾ 𝐴) = 𝐹)
157	156	reseq1d 5996	. . . . . . 7 ⊢ (𝜑 → ((𝐹 ↾ 𝐴) ↾ 𝑊) = (𝐹 ↾ 𝑊))
158	153, 157	eqtr3id 2791	. . . . . 6 ⊢ (𝜑 → (𝐹 ↾ (𝐴 ∩ 𝑊)) = (𝐹 ↾ 𝑊))
159	158	feq1d 6720	. . . . 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 24141	. . 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 24141	. . 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 1540 ∈ wcel 2108 ∀wral 3061 ∃wrex 3070 Vcvv 3480 ∪ cun 3949 ∩ cin 3950 ⊆ wss 3951 𝒫 cpw 4600 ↾ cres 5687 Fn wfn 6556 ⟶wf 6557 ‘cfv 6561 (class class class)co 7431 supp csupp 8185 Fincfn 8985 Basecbs 17247 TopOpenctopn 17466 0_gc0g 17484 Σ_g cgsu 17485 CMndccmn 19798 TopSpctps 22938 tsums ctsu 24134

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1795 ax-4 1809 ax-5 1910 ax-6 1967 ax-7 2007 ax-8 2110 ax-9 2118 ax-10 2141 ax-11 2157 ax-12 2177 ax-ext 2708 ax-rep 5279 ax-sep 5296 ax-nul 5306 ax-pow 5365 ax-pr 5432 ax-un 7755 ax-cnex 11211 ax-resscn 11212 ax-1cn 11213 ax-icn 11214 ax-addcl 11215 ax-addrcl 11216 ax-mulcl 11217 ax-mulrcl 11218 ax-mulcom 11219 ax-addass 11220 ax-mulass 11221 ax-distr 11222 ax-i2m1 11223 ax-1ne0 11224 ax-1rid 11225 ax-rnegex 11226 ax-rrecex 11227 ax-cnre 11228 ax-pre-lttri 11229 ax-pre-lttrn 11230 ax-pre-ltadd 11231 ax-pre-mulgt0 11232

This theorem depends on definitions: df-bi 207 df-an 396 df-or 849 df-3or 1088 df-3an 1089 df-tru 1543 df-fal 1553 df-ex 1780 df-nf 1784 df-sb 2065 df-mo 2540 df-eu 2569 df-clab 2715 df-cleq 2729 df-clel 2816 df-nfc 2892 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3380 df-reu 3381 df-rab 3437 df-v 3482 df-sbc 3789 df-csb 3900 df-dif 3954 df-un 3956 df-in 3958 df-ss 3968 df-pss 3971 df-nul 4334 df-if 4526 df-pw 4602 df-sn 4627 df-pr 4629 df-op 4633 df-uni 4908 df-int 4947 df-iun 4993 df-br 5144 df-opab 5206 df-mpt 5226 df-tr 5260 df-id 5578 df-eprel 5584 df-po 5592 df-so 5593 df-fr 5637 df-se 5638 df-we 5639 df-xp 5691 df-rel 5692 df-cnv 5693 df-co 5694 df-dm 5695 df-rn 5696 df-res 5697 df-ima 5698 df-pred 6321 df-ord 6387 df-on 6388 df-lim 6389 df-suc 6390 df-iota 6514 df-fun 6563 df-fn 6564 df-f 6565 df-f1 6566 df-fo 6567 df-f1o 6568 df-fv 6569 df-isom 6570 df-riota 7388 df-ov 7434 df-oprab 7435 df-mpo 7436 df-om 7888 df-1st 8014 df-2nd 8015 df-supp 8186 df-frecs 8306 df-wrecs 8337 df-recs 8411 df-rdg 8450 df-1o 8506 df-er 8745 df-map 8868 df-en 8986 df-dom 8987 df-sdom 8988 df-fin 8989 df-fsupp 9402 df-oi 9550 df-card 9979 df-pnf 11297 df-mnf 11298 df-xr 11299 df-ltxr 11300 df-le 11301 df-sub 11494 df-neg 11495 df-nn 12267 df-n0 12527 df-z 12614 df-uz 12879 df-fz 13548 df-fzo 13695 df-seq 14043 df-hash 14370 df-0g 17486 df-gsum 17487 df-mgm 18653 df-sgrp 18732 df-mnd 18748 df-cntz 19335 df-cmn 19800 df-fbas 21361 df-fg 21362 df-top 22900 df-topon 22917 df-topsp 22939 df-ntr 23028 df-nei 23106 df-fil 23854 df-fm 23946 df-flim 23947 df-flf 23948 df-tsms 24135

This theorem is referenced by: tsmssplit 24160 esumss 34073

W3C validator