esumsnf - Mathbox for Thierry Arnoux

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Theorem esumsnf 33814

Description: The extended sum of a singleton is the term. (Contributed by Thierry Arnoux, 2-Jan-2017.) (Revised by Thierry Arnoux, 2-May-2020.)

**Hypotheses**
Ref	Expression
esumsnf.0	⊢ Ⅎ𝑘𝐵
esumsnf.1	⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐵)
esumsnf.2	⊢ (𝜑 → 𝑀 ∈ 𝑉)
esumsnf.3	⊢ (𝜑 → 𝐵 ∈ (0[,]+∞))

**Assertion**
Ref	Expression
esumsnf	⊢ (𝜑 → Σ^*𝑘 ∈ {𝑀}𝐴 = 𝐵)

Distinct variable groups: 𝑘,𝑀 𝜑,𝑘 Allowed substitution hints: 𝐴(𝑘) 𝐵(𝑘) 𝑉(𝑘)

Proof of Theorem esumsnf Dummy variables 𝑥 𝑙 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		df-esum 33778	. . 3 ⊢ Σ^𝑘 ∈ {𝑀}𝐴 = ∪ ((ℝ^_𝑠 ↾_s (0[,]+∞)) tsums (𝑘 ∈ {𝑀} ↦ 𝐴))
2	1	a1i 11	. 2 ⊢ (𝜑 → Σ^𝑘 ∈ {𝑀}𝐴 = ∪ ((ℝ^_𝑠 ↾_s (0[,]+∞)) tsums (𝑘 ∈ {𝑀} ↦ 𝐴)))
3		eqid 2725	. . . 4 ⊢ (ℝ^_𝑠 ↾_s (0[,]+∞)) = (ℝ^_𝑠 ↾_s (0[,]+∞))
4		snfi 9069	. . . . 5 ⊢ {𝑀} ∈ Fin
5	4	a1i 11	. . . 4 ⊢ (𝜑 → {𝑀} ∈ Fin)
6		elsni 4647	. . . . . . . . 9 ⊢ (𝑘 ∈ {𝑀} → 𝑘 = 𝑀)
7		esumsnf.1	. . . . . . . . 9 ⊢ ((𝜑 ∧ 𝑘 = 𝑀) → 𝐴 = 𝐵)
8	6, 7	sylan2 591	. . . . . . . 8 ⊢ ((𝜑 ∧ 𝑘 ∈ {𝑀}) → 𝐴 = 𝐵)
9	8	mpteq2dva 5249	. . . . . . 7 ⊢ (𝜑 → (𝑘 ∈ {𝑀} ↦ 𝐴) = (𝑘 ∈ {𝑀} ↦ 𝐵))
10		esumsnf.2	. . . . . . . 8 ⊢ (𝜑 → 𝑀 ∈ 𝑉)
11		esumsnf.3	. . . . . . . 8 ⊢ (𝜑 → 𝐵 ∈ (0[,]+∞))
12		fmptsn 7176	. . . . . . . . 9 ⊢ ((𝑀 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → {⟨𝑀, 𝐵⟩} = (𝑙 ∈ {𝑀} ↦ 𝐵))
13		nfcv 2891	. . . . . . . . . 10 ⊢ Ⅎ𝑙𝐵
14		esumsnf.0	. . . . . . . . . 10 ⊢ Ⅎ𝑘𝐵
15		eqidd 2726	. . . . . . . . . 10 ⊢ (𝑘 = 𝑙 → 𝐵 = 𝐵)
16	13, 14, 15	cbvmpt 5260	. . . . . . . . 9 ⊢ (𝑘 ∈ {𝑀} ↦ 𝐵) = (𝑙 ∈ {𝑀} ↦ 𝐵)
17	12, 16	eqtr4di 2783	. . . . . . . 8 ⊢ ((𝑀 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → {⟨𝑀, 𝐵⟩} = (𝑘 ∈ {𝑀} ↦ 𝐵))
18	10, 11, 17	syl2anc 582	. . . . . . 7 ⊢ (𝜑 → {⟨𝑀, 𝐵⟩} = (𝑘 ∈ {𝑀} ↦ 𝐵))
19	9, 18	eqtr4d 2768	. . . . . 6 ⊢ (𝜑 → (𝑘 ∈ {𝑀} ↦ 𝐴) = {⟨𝑀, 𝐵⟩})
20		fsng 7146	. . . . . . 7 ⊢ ((𝑀 ∈ 𝑉 ∧ 𝐵 ∈ (0[,]+∞)) → ((𝑘 ∈ {𝑀} ↦ 𝐴):{𝑀}⟶{𝐵} ↔ (𝑘 ∈ {𝑀} ↦ 𝐴) = {⟨𝑀, 𝐵⟩}))
21	10, 11, 20	syl2anc 582	. . . . . 6 ⊢ (𝜑 → ((𝑘 ∈ {𝑀} ↦ 𝐴):{𝑀}⟶{𝐵} ↔ (𝑘 ∈ {𝑀} ↦ 𝐴) = {⟨𝑀, 𝐵⟩}))
22	19, 21	mpbird 256	. . . . 5 ⊢ (𝜑 → (𝑘 ∈ {𝑀} ↦ 𝐴):{𝑀}⟶{𝐵})
23	11	snssd 4814	. . . . 5 ⊢ (𝜑 → {𝐵} ⊆ (0[,]+∞))
24	22, 23	fssd 6740	. . . 4 ⊢ (𝜑 → (𝑘 ∈ {𝑀} ↦ 𝐴):{𝑀}⟶(0[,]+∞))
25		xrltso 13155	. . . . . . 7 ⊢ < Or ℝ^*
26	25	a1i 11	. . . . . 6 ⊢ (𝜑 → < Or ℝ^*)
27		0xr 11293	. . . . . . 7 ⊢ 0 ∈ ℝ^*
28	27	a1i 11	. . . . . 6 ⊢ (𝜑 → 0 ∈ ℝ^*)
29		elxrge0 13469	. . . . . . . 8 ⊢ (𝐵 ∈ (0[,]+∞) ↔ (𝐵 ∈ ℝ^* ∧ 0 ≤ 𝐵))
30	11, 29	sylib 217	. . . . . . 7 ⊢ (𝜑 → (𝐵 ∈ ℝ^* ∧ 0 ≤ 𝐵))
31	30	simpld 493	. . . . . 6 ⊢ (𝜑 → 𝐵 ∈ ℝ^*)
32		suppr 9496	. . . . . 6 ⊢ (( < Or ℝ^* ∧ 0 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^) → sup({0, 𝐵}, ℝ^, < ) = if(𝐵 < 0, 0, 𝐵))
33	26, 28, 31, 32	syl3anc 1368	. . . . 5 ⊢ (𝜑 → sup({0, 𝐵}, ℝ^*, < ) = if(𝐵 < 0, 0, 𝐵))
34		0fin 9196	. . . . . . . . . . 11 ⊢ ∅ ∈ Fin
35	34	a1i 11	. . . . . . . . . 10 ⊢ (𝜑 → ∅ ∈ Fin)
36		reseq2 5980	. . . . . . . . . . . . . 14 ⊢ (𝑥 = ∅ → ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥) = ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ ∅))
37		res0 5989	. . . . . . . . . . . . . 14 ⊢ ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ ∅) = ∅
38	36, 37	eqtrdi 2781	. . . . . . . . . . . . 13 ⊢ (𝑥 = ∅ → ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥) = ∅)
39	38	oveq2d 7435	. . . . . . . . . . . 12 ⊢ (𝑥 = ∅ → ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ∅))
40		xrge00 32831	. . . . . . . . . . . . 13 ⊢ 0 = (0_g‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))
41	40	gsum0 18647	. . . . . . . . . . . 12 ⊢ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ∅) = 0
42	39, 41	eqtrdi 2781	. . . . . . . . . . 11 ⊢ (𝑥 = ∅ → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = 0)
43	42	adantl 480	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = ∅) → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = 0)
44		reseq2 5980	. . . . . . . . . . . . 13 ⊢ (𝑥 = {𝑀} → ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥) = ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ {𝑀}))
45		ssid 3999	. . . . . . . . . . . . . 14 ⊢ {𝑀} ⊆ {𝑀}
46		resmpt 6042	. . . . . . . . . . . . . 14 ⊢ ({𝑀} ⊆ {𝑀} → ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ {𝑀}) = (𝑘 ∈ {𝑀} ↦ 𝐴))
47	45, 46	ax-mp 5	. . . . . . . . . . . . 13 ⊢ ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ {𝑀}) = (𝑘 ∈ {𝑀} ↦ 𝐴)
48	44, 47	eqtrdi 2781	. . . . . . . . . . . 12 ⊢ (𝑥 = {𝑀} → ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥) = (𝑘 ∈ {𝑀} ↦ 𝐴))
49	48	oveq2d 7435	. . . . . . . . . . 11 ⊢ (𝑥 = {𝑀} → ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g (𝑘 ∈ {𝑀} ↦ 𝐴)))
50		xrge0base 32830	. . . . . . . . . . . 12 ⊢ (0[,]+∞) = (Base‘(ℝ^*_𝑠 ↾_s (0[,]+∞)))
51		xrge0cmn 21358	. . . . . . . . . . . . . 14 ⊢ (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ CMnd
52		cmnmnd 19764	. . . . . . . . . . . . . 14 ⊢ ((ℝ^_𝑠 ↾_s (0[,]+∞)) ∈ CMnd → (ℝ^_𝑠 ↾_s (0[,]+∞)) ∈ Mnd)
53	51, 52	ax-mp 5	. . . . . . . . . . . . 13 ⊢ (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ Mnd
54	53	a1i 11	. . . . . . . . . . . 12 ⊢ (𝜑 → (ℝ^*_𝑠 ↾_s (0[,]+∞)) ∈ Mnd)
55		nfv 1909	. . . . . . . . . . . 12 ⊢ Ⅎ𝑘𝜑
56	50, 54, 10, 11, 7, 55, 14	gsumsnfd 19918	. . . . . . . . . . 11 ⊢ (𝜑 → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g (𝑘 ∈ {𝑀} ↦ 𝐴)) = 𝐵)
57	49, 56	sylan9eqr 2787	. . . . . . . . . 10 ⊢ ((𝜑 ∧ 𝑥 = {𝑀}) → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = 𝐵)
58	35, 5, 28, 11, 43, 57	fmptpr 7181	. . . . . . . . 9 ⊢ (𝜑 → {⟨∅, 0⟩, ⟨{𝑀}, 𝐵⟩} = (𝑥 ∈ {∅, {𝑀}} ↦ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))))
59		pwsn 4902	. . . . . . . . . . . . 13 ⊢ 𝒫 {𝑀} = {∅, {𝑀}}
60		prssi 4826	. . . . . . . . . . . . . 14 ⊢ ((∅ ∈ Fin ∧ {𝑀} ∈ Fin) → {∅, {𝑀}} ⊆ Fin)
61	34, 4, 60	mp2an 690	. . . . . . . . . . . . 13 ⊢ {∅, {𝑀}} ⊆ Fin
62	59, 61	eqsstri 4011	. . . . . . . . . . . 12 ⊢ 𝒫 {𝑀} ⊆ Fin
63		dfss2 3962	. . . . . . . . . . . 12 ⊢ (𝒫 {𝑀} ⊆ Fin ↔ (𝒫 {𝑀} ∩ Fin) = 𝒫 {𝑀})
64	62, 63	mpbi 229	. . . . . . . . . . 11 ⊢ (𝒫 {𝑀} ∩ Fin) = 𝒫 {𝑀}
65	64, 59	eqtri 2753	. . . . . . . . . 10 ⊢ (𝒫 {𝑀} ∩ Fin) = {∅, {𝑀}}
66		eqid 2725	. . . . . . . . . 10 ⊢ ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)) = ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))
67	65, 66	mpteq12i 5255	. . . . . . . . 9 ⊢ (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))) = (𝑥 ∈ {∅, {𝑀}} ↦ ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥)))
68	58, 67	eqtr4di 2783	. . . . . . . 8 ⊢ (𝜑 → {⟨∅, 0⟩, ⟨{𝑀}, 𝐵⟩} = (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))))
69	68	rneqd 5940	. . . . . . 7 ⊢ (𝜑 → ran {⟨∅, 0⟩, ⟨{𝑀}, 𝐵⟩} = ran (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))))
70		rnpropg 6228	. . . . . . . 8 ⊢ ((∅ ∈ Fin ∧ {𝑀} ∈ Fin) → ran {⟨∅, 0⟩, ⟨{𝑀}, 𝐵⟩} = {0, 𝐵})
71	35, 5, 70	syl2anc 582	. . . . . . 7 ⊢ (𝜑 → ran {⟨∅, 0⟩, ⟨{𝑀}, 𝐵⟩} = {0, 𝐵})
72	69, 71	eqtr3d 2767	. . . . . 6 ⊢ (𝜑 → ran (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))) = {0, 𝐵})
73	72	supeq1d 9471	. . . . 5 ⊢ (𝜑 → sup(ran (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))), ℝ^, < ) = sup({0, 𝐵}, ℝ^*, < ))
74	30	simprd 494	. . . . . . . . 9 ⊢ (𝜑 → 0 ≤ 𝐵)
75		xrlenlt 11311	. . . . . . . . . 10 ⊢ ((0 ∈ ℝ^* ∧ 𝐵 ∈ ℝ^*) → (0 ≤ 𝐵 ↔ ¬ 𝐵 < 0))
76	28, 31, 75	syl2anc 582	. . . . . . . . 9 ⊢ (𝜑 → (0 ≤ 𝐵 ↔ ¬ 𝐵 < 0))
77	74, 76	mpbid 231	. . . . . . . 8 ⊢ (𝜑 → ¬ 𝐵 < 0)
78		eqidd 2726	. . . . . . . 8 ⊢ (𝜑 → 𝐵 = 𝐵)
79	77, 78	jca 510	. . . . . . 7 ⊢ (𝜑 → (¬ 𝐵 < 0 ∧ 𝐵 = 𝐵))
80	79	olcd 872	. . . . . 6 ⊢ (𝜑 → ((𝐵 < 0 ∧ 𝐵 = 0) ∨ (¬ 𝐵 < 0 ∧ 𝐵 = 𝐵)))
81		eqif 4571	. . . . . 6 ⊢ (𝐵 = if(𝐵 < 0, 0, 𝐵) ↔ ((𝐵 < 0 ∧ 𝐵 = 0) ∨ (¬ 𝐵 < 0 ∧ 𝐵 = 𝐵)))
82	80, 81	sylibr 233	. . . . 5 ⊢ (𝜑 → 𝐵 = if(𝐵 < 0, 0, 𝐵))
83	33, 73, 82	3eqtr4rd 2776	. . . 4 ⊢ (𝜑 → 𝐵 = sup(ran (𝑥 ∈ (𝒫 {𝑀} ∩ Fin) ↦ ((ℝ^_𝑠 ↾_s (0[,]+∞)) Σ_g ((𝑘 ∈ {𝑀} ↦ 𝐴) ↾ 𝑥))), ℝ^, < ))
84	3, 5, 24, 83	xrge0tsmsd 32861	. . 3 ⊢ (𝜑 → ((ℝ^*_𝑠 ↾_s (0[,]+∞)) tsums (𝑘 ∈ {𝑀} ↦ 𝐴)) = {𝐵})
85	84	unieqd 4922	. 2 ⊢ (𝜑 → ∪ ((ℝ^*_𝑠 ↾_s (0[,]+∞)) tsums (𝑘 ∈ {𝑀} ↦ 𝐴)) = ∪ {𝐵})
86		unisng 4929	. . 3 ⊢ (𝐵 ∈ (0[,]+∞) → ∪ {𝐵} = 𝐵)
87	11, 86	syl 17	. 2 ⊢ (𝜑 → ∪ {𝐵} = 𝐵)
88	2, 85, 87	3eqtrd 2769	1 ⊢ (𝜑 → Σ^*𝑘 ∈ {𝑀}𝐴 = 𝐵)

Colors of variables: wff setvar class

Syntax hints: ¬ wn 3 → wi 4 ↔ wb 205 ∧ wa 394 ∨ wo 845 = wceq 1533 ∈ wcel 2098 Ⅎwnfc 2875 ∩ cin 3943 ⊆ wss 3944 ∅c0 4322 ifcif 4530 𝒫 cpw 4604 {csn 4630 {cpr 4632 ⟨cop 4636 ∪ cuni 4909 class class class wbr 5149 ↦ cmpt 5232 Or wor 5589 ran crn 5679 ↾ cres 5680 ⟶wf 6545 (class class class)co 7419 Fincfn 8964 supcsup 9465 0cc0 11140 +∞cpnf 11277 ℝ^*cxr 11279 < clt 11280 ≤ cle 11281 [,]cicc 13362 ↾_s cress 17212 Σ_g cgsu 17425 ℝ^*_𝑠cxrs 17485 Mndcmnd 18697 CMndccmn 19747 tsums ctsu 24074 Σ^*cesum 33777

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1789 ax-4 1803 ax-5 1905 ax-6 1963 ax-7 2003 ax-8 2100 ax-9 2108 ax-10 2129 ax-11 2146 ax-12 2166 ax-ext 2696 ax-rep 5286 ax-sep 5300 ax-nul 5307 ax-pow 5365 ax-pr 5429 ax-un 7741 ax-cnex 11196 ax-resscn 11197 ax-1cn 11198 ax-icn 11199 ax-addcl 11200 ax-addrcl 11201 ax-mulcl 11202 ax-mulrcl 11203 ax-mulcom 11204 ax-addass 11205 ax-mulass 11206 ax-distr 11207 ax-i2m1 11208 ax-1ne0 11209 ax-1rid 11210 ax-rnegex 11211 ax-rrecex 11212 ax-cnre 11213 ax-pre-lttri 11214 ax-pre-lttrn 11215 ax-pre-ltadd 11216 ax-pre-mulgt0 11217 ax-pre-sup 11218

This theorem depends on definitions: df-bi 206 df-an 395 df-or 846 df-3or 1085 df-3an 1086 df-tru 1536 df-fal 1546 df-ex 1774 df-nf 1778 df-sb 2060 df-mo 2528 df-eu 2557 df-clab 2703 df-cleq 2717 df-clel 2802 df-nfc 2877 df-ne 2930 df-nel 3036 df-ral 3051 df-rex 3060 df-rmo 3363 df-reu 3364 df-rab 3419 df-v 3463 df-sbc 3774 df-csb 3890 df-dif 3947 df-un 3949 df-in 3951 df-ss 3961 df-pss 3964 df-nul 4323 df-if 4531 df-pw 4606 df-sn 4631 df-pr 4633 df-tp 4635 df-op 4637 df-uni 4910 df-int 4951 df-iun 4999 df-iin 5000 df-br 5150 df-opab 5212 df-mpt 5233 df-tr 5267 df-id 5576 df-eprel 5582 df-po 5590 df-so 5591 df-fr 5633 df-se 5634 df-we 5635 df-xp 5684 df-rel 5685 df-cnv 5686 df-co 5687 df-dm 5688 df-rn 5689 df-res 5690 df-ima 5691 df-pred 6307 df-ord 6374 df-on 6375 df-lim 6376 df-suc 6377 df-iota 6501 df-fun 6551 df-fn 6552 df-f 6553 df-f1 6554 df-fo 6555 df-f1o 6556 df-fv 6557 df-isom 6558 df-riota 7375 df-ov 7422 df-oprab 7423 df-mpo 7424 df-of 7685 df-om 7872 df-1st 7994 df-2nd 7995 df-supp 8166 df-frecs 8287 df-wrecs 8318 df-recs 8392 df-rdg 8431 df-1o 8487 df-er 8725 df-map 8847 df-en 8965 df-dom 8966 df-sdom 8967 df-fin 8968 df-fsupp 9388 df-fi 9436 df-sup 9467 df-inf 9468 df-oi 9535 df-card 9964 df-pnf 11282 df-mnf 11283 df-xr 11284 df-ltxr 11285 df-le 11286 df-sub 11478 df-neg 11479 df-div 11904 df-nn 12246 df-2 12308 df-3 12309 df-4 12310 df-5 12311 df-6 12312 df-7 12313 df-8 12314 df-9 12315 df-n0 12506 df-z 12592 df-dec 12711 df-uz 12856 df-q 12966 df-xadd 13128 df-ioo 13363 df-ioc 13364 df-ico 13365 df-icc 13366 df-fz 13520 df-fzo 13663 df-seq 14003 df-hash 14326 df-struct 17119 df-sets 17136 df-slot 17154 df-ndx 17166 df-base 17184 df-ress 17213 df-plusg 17249 df-mulr 17250 df-tset 17255 df-ple 17256 df-ds 17258 df-rest 17407 df-topn 17408 df-0g 17426 df-gsum 17427 df-topgen 17428 df-ordt 17486 df-xrs 17487 df-mre 17569 df-mrc 17570 df-acs 17572 df-ps 18561 df-tsr 18562 df-mgm 18603 df-sgrp 18682 df-mnd 18698 df-submnd 18744 df-mulg 19032 df-cntz 19280 df-cmn 19749 df-fbas 21293 df-fg 21294 df-top 22840 df-topon 22857 df-topsp 22879 df-bases 22893 df-ntr 22968 df-nei 23046 df-cn 23175 df-haus 23263 df-fil 23794 df-fm 23886 df-flim 23887 df-flf 23888 df-tsms 24075 df-esum 33778

This theorem is referenced by: esumsn 33815 esum2dlem 33842

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