Theorem telgsums 18390

Description: Telescoping finitely supported group sum ranging over nonnegative integers, using explicit substitution. (Contributed by AV, 24-Oct-2019.)

Hypotheses

Ref	Expression
telgsums.b	⊢ 𝐵 = (Base‘𝐺)
telgsums.g	⊢ (𝜑 → 𝐺 ∈ Abel)
telgsums.m	⊢ − = (-g‘𝐺)
telgsums.0	⊢ 0 = (0g‘𝐺)
telgsums.f	⊢ (𝜑 → ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵)
telgsums.s	⊢ (𝜑 → 𝑆 ∈ ℕ0)
telgsums.u	⊢ (𝜑 → ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 ))

Assertion

Ref	Expression
telgsums	⊢ (𝜑 → (𝐺 Σg (𝑖 ∈ ℕ0 ↦ (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶))) = ⦋0 / 𝑘⦌𝐶)

Distinct variable groups:   𝐵,𝑖,𝑘   𝐶,𝑖   𝑖,𝐺   𝑆,𝑖,𝑘   0 ,𝑖,𝑘   𝜑,𝑖   − ,𝑖

Allowed substitution hints:   𝜑(𝑘)   𝐶(𝑘)   𝐺(𝑘)   − (𝑘)

Proof of Theorem telgsums

Step	Hyp	Ref	Expression
1		telgsums.b	. . 3 ⊢ 𝐵 = (Base‘𝐺)
2		telgsums.0	. . 3 ⊢ 0 = (0g‘𝐺)
3		telgsums.g	. . . 4 ⊢ (𝜑 → 𝐺 ∈ Abel)
4		ablcmn 18199	. . . 4 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ CMnd)
5	3, 4	syl 17	. . 3 ⊢ (𝜑 → 𝐺 ∈ CMnd)
6		ablgrp 18198	. . . . . . 7 ⊢ (𝐺 ∈ Abel → 𝐺 ∈ Grp)
7	3, 6	syl 17	. . . . . 6 ⊢ (𝜑 → 𝐺 ∈ Grp)
8	7	adantr 481	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → 𝐺 ∈ Grp)
9		simpr 477	. . . . . 6 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → 𝑖 ∈ ℕ0)
10		telgsums.f	. . . . . . 7 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵)
11	10	adantr 481	. . . . . 6 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵)
12		rspcsbela 4006	. . . . . 6 ⊢ ((𝑖 ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵) → ⦋𝑖 / 𝑘⦌𝐶 ∈ 𝐵)
13	9, 11, 12	syl2anc 693	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → ⦋𝑖 / 𝑘⦌𝐶 ∈ 𝐵)
14		peano2nn0 11333	. . . . . 6 ⊢ (𝑖 ∈ ℕ0 → (𝑖 + 1) ∈ ℕ0)
15		rspcsbela 4006	. . . . . 6 ⊢ (((𝑖 + 1) ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 ∈ 𝐵)
16	14, 10, 15	syl2anr 495	. . . . 5 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 ∈ 𝐵)
17		telgsums.m	. . . . . 6 ⊢ − = (-g‘𝐺)
18	1, 17	grpsubcl 17495	. . . . 5 ⊢ ((𝐺 ∈ Grp ∧ ⦋𝑖 / 𝑘⦌𝐶 ∈ 𝐵 ∧ ⦋(𝑖 + 1) / 𝑘⦌𝐶 ∈ 𝐵) → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) ∈ 𝐵)
19	8, 13, 16, 18	syl3anc 1326	. . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) ∈ 𝐵)
20	19	ralrimiva 2966	. . 3 ⊢ (𝜑 → ∀𝑖 ∈ ℕ0 (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) ∈ 𝐵)
21		telgsums.s	. . 3 ⊢ (𝜑 → 𝑆 ∈ ℕ0)
22		telgsums.u	. . . . . . . . 9 ⊢ (𝜑 → ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 ))
23		rspsbca 3519	. . . . . . . . . . 11 ⊢ ((𝑖 ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → [𝑖 / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ))
24		vex 3203	. . . . . . . . . . . 12 ⊢ 𝑖 ∈ V
25		sbcimg 3477	. . . . . . . . . . . . 13 ⊢ (𝑖 ∈ V → ([𝑖 / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ ([𝑖 / 𝑘]𝑆 < 𝑘 → [𝑖 / 𝑘]𝐶 = 0 )))
26		sbcbr2g 4710	. . . . . . . . . . . . . . 15 ⊢ (𝑖 ∈ V → ([𝑖 / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < ⦋𝑖 / 𝑘⦌𝑘))
27		csbvarg 4003	. . . . . . . . . . . . . . . 16 ⊢ (𝑖 ∈ V → ⦋𝑖 / 𝑘⦌𝑘 = 𝑖)
28	27	breq2d 4665	. . . . . . . . . . . . . . 15 ⊢ (𝑖 ∈ V → (𝑆 < ⦋𝑖 / 𝑘⦌𝑘 ↔ 𝑆 < 𝑖))
29	26, 28	bitrd 268	. . . . . . . . . . . . . 14 ⊢ (𝑖 ∈ V → ([𝑖 / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < 𝑖))
30		sbceq1g 3988	. . . . . . . . . . . . . 14 ⊢ (𝑖 ∈ V → ([𝑖 / 𝑘]𝐶 = 0 ↔ ⦋𝑖 / 𝑘⦌𝐶 = 0 ))
31	29, 30	imbi12d 334	. . . . . . . . . . . . 13 ⊢ (𝑖 ∈ V → (([𝑖 / 𝑘]𝑆 < 𝑘 → [𝑖 / 𝑘]𝐶 = 0 ) ↔ (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 )))
32	25, 31	bitrd 268	. . . . . . . . . . . 12 ⊢ (𝑖 ∈ V → ([𝑖 / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 )))
33	24, 32	ax-mp 5	. . . . . . . . . . 11 ⊢ ([𝑖 / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 ))
34	23, 33	sylib 208	. . . . . . . . . 10 ⊢ ((𝑖 ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 ))
35	34	expcom 451	. . . . . . . . 9 ⊢ (∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 ) → (𝑖 ∈ ℕ0 → (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 )))
36	22, 35	syl 17	. . . . . . . 8 ⊢ (𝜑 → (𝑖 ∈ ℕ0 → (𝑆 < 𝑖 → ⦋𝑖 / 𝑘⦌𝐶 = 0 )))
37	36	imp31 448	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → ⦋𝑖 / 𝑘⦌𝐶 = 0 )
38	21	nn0red 11352	. . . . . . . . . . . . 13 ⊢ (𝜑 → 𝑆 ∈ ℝ)
39	38	adantr 481	. . . . . . . . . . . 12 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → 𝑆 ∈ ℝ)
40	39	adantr 481	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝑆 ∈ ℝ)
41		nn0re 11301	. . . . . . . . . . . 12 ⊢ (𝑖 ∈ ℕ0 → 𝑖 ∈ ℝ)
42	41	ad2antlr 763	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝑖 ∈ ℝ)
43	14	ad2antlr 763	. . . . . . . . . . . 12 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → (𝑖 + 1) ∈ ℕ0)
44	43	nn0red 11352	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → (𝑖 + 1) ∈ ℝ)
45		simpr 477	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝑆 < 𝑖)
46	42	ltp1d 10954	. . . . . . . . . . 11 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝑖 < (𝑖 + 1))
47	40, 42, 44, 45, 46	lttrd 10198	. . . . . . . . . 10 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝑆 < (𝑖 + 1))
48	47	ex 450	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → (𝑆 < 𝑖 → 𝑆 < (𝑖 + 1)))
49		rspsbca 3519	. . . . . . . . . . 11 ⊢ (((𝑖 + 1) ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → [(𝑖 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ))
50		ovex 6678	. . . . . . . . . . . 12 ⊢ (𝑖 + 1) ∈ V
51		sbcimg 3477	. . . . . . . . . . . . 13 ⊢ ((𝑖 + 1) ∈ V → ([(𝑖 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ ([(𝑖 + 1) / 𝑘]𝑆 < 𝑘 → [(𝑖 + 1) / 𝑘]𝐶 = 0 )))
52		sbcbr2g 4710	. . . . . . . . . . . . . . 15 ⊢ ((𝑖 + 1) ∈ V → ([(𝑖 + 1) / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < ⦋(𝑖 + 1) / 𝑘⦌𝑘))
53		csbvarg 4003	. . . . . . . . . . . . . . . 16 ⊢ ((𝑖 + 1) ∈ V → ⦋(𝑖 + 1) / 𝑘⦌𝑘 = (𝑖 + 1))
54	53	breq2d 4665	. . . . . . . . . . . . . . 15 ⊢ ((𝑖 + 1) ∈ V → (𝑆 < ⦋(𝑖 + 1) / 𝑘⦌𝑘 ↔ 𝑆 < (𝑖 + 1)))
55	52, 54	bitrd 268	. . . . . . . . . . . . . 14 ⊢ ((𝑖 + 1) ∈ V → ([(𝑖 + 1) / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < (𝑖 + 1)))
56		sbceq1g 3988	. . . . . . . . . . . . . 14 ⊢ ((𝑖 + 1) ∈ V → ([(𝑖 + 1) / 𝑘]𝐶 = 0 ↔ ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 ))
57	55, 56	imbi12d 334	. . . . . . . . . . . . 13 ⊢ ((𝑖 + 1) ∈ V → (([(𝑖 + 1) / 𝑘]𝑆 < 𝑘 → [(𝑖 + 1) / 𝑘]𝐶 = 0 ) ↔ (𝑆 < (𝑖 + 1) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 )))
58	51, 57	bitrd 268	. . . . . . . . . . . 12 ⊢ ((𝑖 + 1) ∈ V → ([(𝑖 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < (𝑖 + 1) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 )))
59	50, 58	ax-mp 5	. . . . . . . . . . 11 ⊢ ([(𝑖 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < (𝑖 + 1) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 ))
60	49, 59	sylib 208	. . . . . . . . . 10 ⊢ (((𝑖 + 1) ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → (𝑆 < (𝑖 + 1) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 ))
61	14, 22, 60	syl2anr 495	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → (𝑆 < (𝑖 + 1) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 ))
62	48, 61	syld 47	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → (𝑆 < 𝑖 → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 ))
63	62	imp 445	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → ⦋(𝑖 + 1) / 𝑘⦌𝐶 = 0 )
64	37, 63	oveq12d 6668	. . . . . 6 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) = ( 0 − 0 ))
65	8	adantr 481	. . . . . . . 8 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → 𝐺 ∈ Grp)
66	1, 2	grpidcl 17450	. . . . . . . 8 ⊢ (𝐺 ∈ Grp → 0 ∈ 𝐵)
67	65, 66	jccir 562	. . . . . . 7 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → (𝐺 ∈ Grp ∧ 0 ∈ 𝐵))
68	1, 2, 17	grpsubid 17499	. . . . . . 7 ⊢ ((𝐺 ∈ Grp ∧ 0 ∈ 𝐵) → ( 0 − 0 ) = 0 )
69	67, 68	syl 17	. . . . . 6 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → ( 0 − 0 ) = 0 )
70	64, 69	eqtrd 2656	. . . . 5 ⊢ (((𝜑 ∧ 𝑖 ∈ ℕ0) ∧ 𝑆 < 𝑖) → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) = 0 )
71	70	ex 450	. . . 4 ⊢ ((𝜑 ∧ 𝑖 ∈ ℕ0) → (𝑆 < 𝑖 → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) = 0 ))
72	71	ralrimiva 2966	. . 3 ⊢ (𝜑 → ∀𝑖 ∈ ℕ0 (𝑆 < 𝑖 → (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶) = 0 ))
73	1, 2, 5, 20, 21, 72	gsummptnn0fzv 18383	. 2 ⊢ (𝜑 → (𝐺 Σg (𝑖 ∈ ℕ0 ↦ (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶))) = (𝐺 Σg (𝑖 ∈ (0...𝑆) ↦ (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶))))
74		fzssuz 12382	. . . . . 6 ⊢ (0...(𝑆 + 1)) ⊆ (ℤ≥‘0)
75	74	a1i 11	. . . . 5 ⊢ (𝜑 → (0...(𝑆 + 1)) ⊆ (ℤ≥‘0))
76		nn0uz 11722	. . . . 5 ⊢ ℕ0 = (ℤ≥‘0)
77	75, 76	syl6sseqr 3652	. . . 4 ⊢ (𝜑 → (0...(𝑆 + 1)) ⊆ ℕ0)
78		ssralv 3666	. . . 4 ⊢ ((0...(𝑆 + 1)) ⊆ ℕ0 → (∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵 → ∀𝑘 ∈ (0...(𝑆 + 1))𝐶 ∈ 𝐵))
79	77, 10, 78	sylc 65	. . 3 ⊢ (𝜑 → ∀𝑘 ∈ (0...(𝑆 + 1))𝐶 ∈ 𝐵)
80	1, 3, 17, 21, 79	telgsumfz0s 18388	. 2 ⊢ (𝜑 → (𝐺 Σg (𝑖 ∈ (0...𝑆) ↦ (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶))) = (⦋0 / 𝑘⦌𝐶 − ⦋(𝑆 + 1) / 𝑘⦌𝐶))
81		peano2nn0 11333	. . . . . 6 ⊢ (𝑆 ∈ ℕ0 → (𝑆 + 1) ∈ ℕ0)
82	21, 81	syl 17	. . . . 5 ⊢ (𝜑 → (𝑆 + 1) ∈ ℕ0)
83	38	ltp1d 10954	. . . . 5 ⊢ (𝜑 → 𝑆 < (𝑆 + 1))
84		rspsbca 3519	. . . . . . 7 ⊢ (((𝑆 + 1) ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → [(𝑆 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ))
85		ovex 6678	. . . . . . . 8 ⊢ (𝑆 + 1) ∈ V
86		sbcimg 3477	. . . . . . . . 9 ⊢ ((𝑆 + 1) ∈ V → ([(𝑆 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ ([(𝑆 + 1) / 𝑘]𝑆 < 𝑘 → [(𝑆 + 1) / 𝑘]𝐶 = 0 )))
87		sbcbr2g 4710	. . . . . . . . . . 11 ⊢ ((𝑆 + 1) ∈ V → ([(𝑆 + 1) / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < ⦋(𝑆 + 1) / 𝑘⦌𝑘))
88		csbvarg 4003	. . . . . . . . . . . 12 ⊢ ((𝑆 + 1) ∈ V → ⦋(𝑆 + 1) / 𝑘⦌𝑘 = (𝑆 + 1))
89	88	breq2d 4665	. . . . . . . . . . 11 ⊢ ((𝑆 + 1) ∈ V → (𝑆 < ⦋(𝑆 + 1) / 𝑘⦌𝑘 ↔ 𝑆 < (𝑆 + 1)))
90	87, 89	bitrd 268	. . . . . . . . . 10 ⊢ ((𝑆 + 1) ∈ V → ([(𝑆 + 1) / 𝑘]𝑆 < 𝑘 ↔ 𝑆 < (𝑆 + 1)))
91		sbceq1g 3988	. . . . . . . . . 10 ⊢ ((𝑆 + 1) ∈ V → ([(𝑆 + 1) / 𝑘]𝐶 = 0 ↔ ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 ))
92	90, 91	imbi12d 334	. . . . . . . . 9 ⊢ ((𝑆 + 1) ∈ V → (([(𝑆 + 1) / 𝑘]𝑆 < 𝑘 → [(𝑆 + 1) / 𝑘]𝐶 = 0 ) ↔ (𝑆 < (𝑆 + 1) → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 )))
93	86, 92	bitrd 268	. . . . . . . 8 ⊢ ((𝑆 + 1) ∈ V → ([(𝑆 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < (𝑆 + 1) → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 )))
94	85, 93	ax-mp 5	. . . . . . 7 ⊢ ([(𝑆 + 1) / 𝑘](𝑆 < 𝑘 → 𝐶 = 0 ) ↔ (𝑆 < (𝑆 + 1) → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 ))
95	84, 94	sylib 208	. . . . . 6 ⊢ (((𝑆 + 1) ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 )) → (𝑆 < (𝑆 + 1) → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 ))
96	95	ex 450	. . . . 5 ⊢ ((𝑆 + 1) ∈ ℕ0 → (∀𝑘 ∈ ℕ0 (𝑆 < 𝑘 → 𝐶 = 0 ) → (𝑆 < (𝑆 + 1) → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 )))
97	82, 22, 83, 96	syl3c 66	. . . 4 ⊢ (𝜑 → ⦋(𝑆 + 1) / 𝑘⦌𝐶 = 0 )
98	97	oveq2d 6666	. . 3 ⊢ (𝜑 → (⦋0 / 𝑘⦌𝐶 − ⦋(𝑆 + 1) / 𝑘⦌𝐶) = (⦋0 / 𝑘⦌𝐶 − 0 ))
99		0nn0 11307	. . . . . 6 ⊢ 0 ∈ ℕ0
100	99	a1i 11	. . . . 5 ⊢ (𝜑 → 0 ∈ ℕ0)
101		rspcsbela 4006	. . . . 5 ⊢ ((0 ∈ ℕ0 ∧ ∀𝑘 ∈ ℕ0 𝐶 ∈ 𝐵) → ⦋0 / 𝑘⦌𝐶 ∈ 𝐵)
102	100, 10, 101	syl2anc 693	. . . 4 ⊢ (𝜑 → ⦋0 / 𝑘⦌𝐶 ∈ 𝐵)
103	1, 2, 17	grpsubid1 17500	. . . 4 ⊢ ((𝐺 ∈ Grp ∧ ⦋0 / 𝑘⦌𝐶 ∈ 𝐵) → (⦋0 / 𝑘⦌𝐶 − 0 ) = ⦋0 / 𝑘⦌𝐶)
104	7, 102, 103	syl2anc 693	. . 3 ⊢ (𝜑 → (⦋0 / 𝑘⦌𝐶 − 0 ) = ⦋0 / 𝑘⦌𝐶)
105	98, 104	eqtrd 2656	. 2 ⊢ (𝜑 → (⦋0 / 𝑘⦌𝐶 − ⦋(𝑆 + 1) / 𝑘⦌𝐶) = ⦋0 / 𝑘⦌𝐶)
106	73, 80, 105	3eqtrd 2660	1 ⊢ (𝜑 → (𝐺 Σg (𝑖 ∈ ℕ0 ↦ (⦋𝑖 / 𝑘⦌𝐶 − ⦋(𝑖 + 1) / 𝑘⦌𝐶))) = ⦋0 / 𝑘⦌𝐶)

Syntax hints:   → wi 4   ↔ wb 196   ∧ wa 384   = wceq 1483   ∈ wcel 1990  ∀wral 2912  Vcvv 3200  [wsbc 3435  ⦋csb 3533   ⊆ wss 3574   class class class wbr 4653   ↦ cmpt 4729  ‘cfv 5888  (class class class)co 6650  ℝcr 9935  0cc0 9936  1c1 9937   + caddc 9939   < clt 10074  ℕ₀cn0 11292  ℤ_≥cuz 11687  ...cfz 12326  Basecbs 15857  0_gc0g 16100   Σ_g cgsu 16101  Grpcgrp 17422  -_gcsg 17424  CMndccmn 18193  Abelcabl 18194

This theorem was proved from axioms:  ax-mp 5  ax-1 6  ax-2 7  ax-3 8  ax-gen 1722  ax-4 1737  ax-5 1839  ax-6 1888  ax-7 1935  ax-8 1992  ax-9 1999  ax-10 2019  ax-11 2034  ax-12 2047  ax-13 2246  ax-ext 2602  ax-rep 4771  ax-sep 4781  ax-nul 4789  ax-pow 4843  ax-pr 4906  ax-un 6949  ax-inf2 8538  ax-cnex 9992  ax-resscn 9993  ax-1cn 9994  ax-icn 9995  ax-addcl 9996  ax-addrcl 9997  ax-mulcl 9998  ax-mulrcl 9999  ax-mulcom 10000  ax-addass 10001  ax-mulass 10002  ax-distr 10003  ax-i2m1 10004  ax-1ne0 10005  ax-1rid 10006  ax-rnegex 10007  ax-rrecex 10008  ax-cnre 10009  ax-pre-lttri 10010  ax-pre-lttrn 10011  ax-pre-ltadd 10012  ax-pre-mulgt0 10013

This theorem depends on definitions:  df-bi 197  df-or 385  df-an 386  df-3or 1038  df-3an 1039  df-tru 1486  df-fal 1489  df-ex 1705  df-nf 1710  df-sb 1881  df-eu 2474  df-mo 2475  df-clab 2609  df-cleq 2615  df-clel 2618  df-nfc 2753  df-ne 2795  df-nel 2898  df-ral 2917  df-rex 2918  df-reu 2919  df-rmo 2920  df-rab 2921  df-v 3202  df-sbc 3436  df-csb 3534  df-dif 3577  df-un 3579  df-in 3581  df-ss 3588  df-pss 3590  df-nul 3916  df-if 4087  df-pw 4160  df-sn 4178  df-pr 4180  df-tp 4182  df-op 4184  df-uni 4437  df-int 4476  df-iun 4522  df-iin 4523  df-br 4654  df-opab 4713  df-mpt 4730  df-tr 4753  df-id 5024  df-eprel 5029  df-po 5035  df-so 5036  df-fr 5073  df-se 5074  df-we 5075  df-xp 5120  df-rel 5121  df-cnv 5122  df-co 5123  df-dm 5124  df-rn 5125  df-res 5126  df-ima 5127  df-pred 5680  df-ord 5726  df-on 5727  df-lim 5728  df-suc 5729  df-iota 5851  df-fun 5890  df-fn 5891  df-f 5892  df-f1 5893  df-fo 5894  df-f1o 5895  df-fv 5896  df-isom 5897  df-riota 6611  df-ov 6653  df-oprab 6654  df-mpt2 6655  df-of 6897  df-om 7066  df-1st 7168  df-2nd 7169  df-supp 7296  df-wrecs 7407  df-recs 7468  df-rdg 7506  df-1o 7560  df-oadd 7564  df-er 7742  df-map 7859  df-en 7956  df-dom 7957  df-sdom 7958  df-fin 7959  df-fsupp 8276  df-oi 8415  df-card 8765  df-pnf 10076  df-mnf 10077  df-xr 10078  df-ltxr 10079  df-le 10080  df-sub 10268  df-neg 10269  df-nn 11021  df-2 11079  df-n0 11293  df-z 11378  df-uz 11688  df-fz 12327  df-fzo 12466  df-seq 12802  df-hash 13118  df-ndx 15860  df-slot 15861  df-base 15863  df-sets 15864  df-ress 15865  df-plusg 15954  df-0g 16102  df-gsum 16103  df-mre 16246  df-mrc 16247  df-acs 16249  df-mgm 17242  df-sgrp 17284  df-mnd 17295  df-submnd 17336  df-grp 17425  df-minusg 17426  df-sbg 17427  df-mulg 17541  df-cntz 17750  df-cmn 18195  df-abl 18196

This theorem is referenced by:  telgsum  18391