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Theorem fsumconst 11481

Description: The sum of constant terms (𝑘 is not free in 𝐵). (Contributed by NM, 24-Dec-2005.) (Revised by Mario Carneiro, 24-Apr-2014.)

**Assertion**
Ref	Expression
fsumconst	⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → Σ𝑘 ∈ 𝐴 𝐵 = ((♯‘𝐴) · 𝐵))

Distinct variable groups: 𝐴,𝑘 𝐵,𝑘

Proof of Theorem fsumconst Dummy variables 𝑤 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		sumeq1 11382	. . 3 ⊢ (𝑤 = ∅ → Σ𝑘 ∈ 𝑤 𝐵 = Σ𝑘 ∈ ∅ 𝐵)
2		fveq2 5530	. . . 4 ⊢ (𝑤 = ∅ → (♯‘𝑤) = (♯‘∅))
3	2	oveq1d 5906	. . 3 ⊢ (𝑤 = ∅ → ((♯‘𝑤) · 𝐵) = ((♯‘∅) · 𝐵))
4	1, 3	eqeq12d 2204	. 2 ⊢ (𝑤 = ∅ → (Σ𝑘 ∈ 𝑤 𝐵 = ((♯‘𝑤) · 𝐵) ↔ Σ𝑘 ∈ ∅ 𝐵 = ((♯‘∅) · 𝐵)))
5		sumeq1 11382	. . 3 ⊢ (𝑤 = 𝑦 → Σ𝑘 ∈ 𝑤 𝐵 = Σ𝑘 ∈ 𝑦 𝐵)
6		fveq2 5530	. . . 4 ⊢ (𝑤 = 𝑦 → (♯‘𝑤) = (♯‘𝑦))
7	6	oveq1d 5906	. . 3 ⊢ (𝑤 = 𝑦 → ((♯‘𝑤) · 𝐵) = ((♯‘𝑦) · 𝐵))
8	5, 7	eqeq12d 2204	. 2 ⊢ (𝑤 = 𝑦 → (Σ𝑘 ∈ 𝑤 𝐵 = ((♯‘𝑤) · 𝐵) ↔ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)))
9		sumeq1 11382	. . 3 ⊢ (𝑤 = (𝑦 ∪ {𝑧}) → Σ𝑘 ∈ 𝑤 𝐵 = Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵)
10		fveq2 5530	. . . 4 ⊢ (𝑤 = (𝑦 ∪ {𝑧}) → (♯‘𝑤) = (♯‘(𝑦 ∪ {𝑧})))
11	10	oveq1d 5906	. . 3 ⊢ (𝑤 = (𝑦 ∪ {𝑧}) → ((♯‘𝑤) · 𝐵) = ((♯‘(𝑦 ∪ {𝑧})) · 𝐵))
12	9, 11	eqeq12d 2204	. 2 ⊢ (𝑤 = (𝑦 ∪ {𝑧}) → (Σ𝑘 ∈ 𝑤 𝐵 = ((♯‘𝑤) · 𝐵) ↔ Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = ((♯‘(𝑦 ∪ {𝑧})) · 𝐵)))
13		sumeq1 11382	. . 3 ⊢ (𝑤 = 𝐴 → Σ𝑘 ∈ 𝑤 𝐵 = Σ𝑘 ∈ 𝐴 𝐵)
14		fveq2 5530	. . . 4 ⊢ (𝑤 = 𝐴 → (♯‘𝑤) = (♯‘𝐴))
15	14	oveq1d 5906	. . 3 ⊢ (𝑤 = 𝐴 → ((♯‘𝑤) · 𝐵) = ((♯‘𝐴) · 𝐵))
16	13, 15	eqeq12d 2204	. 2 ⊢ (𝑤 = 𝐴 → (Σ𝑘 ∈ 𝑤 𝐵 = ((♯‘𝑤) · 𝐵) ↔ Σ𝑘 ∈ 𝐴 𝐵 = ((♯‘𝐴) · 𝐵)))
17		sum0 11415	. . 3 ⊢ Σ𝑘 ∈ ∅ 𝐵 = 0
18		hash0 10795	. . . . 5 ⊢ (♯‘∅) = 0
19	18	oveq1i 5901	. . . 4 ⊢ ((♯‘∅) · 𝐵) = (0 · 𝐵)
20		simpr 110	. . . . 5 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → 𝐵 ∈ ℂ)
21	20	mul02d 8368	. . . 4 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → (0 · 𝐵) = 0)
22	19, 21	eqtrid 2234	. . 3 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → ((♯‘∅) · 𝐵) = 0)
23	17, 22	eqtr4id 2241	. 2 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → Σ𝑘 ∈ ∅ 𝐵 = ((♯‘∅) · 𝐵))
24		simpr 110	. . . . . 6 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵))
25		vex 2755	. . . . . . . 8 ⊢ 𝑧 ∈ V
26		eqidd 2190	. . . . . . . . 9 ⊢ (𝑘 = 𝑧 → 𝐵 = 𝐵)
27	26	sumsn 11438	. . . . . . . 8 ⊢ ((𝑧 ∈ V ∧ 𝐵 ∈ ℂ) → Σ𝑘 ∈ {𝑧}𝐵 = 𝐵)
28	25, 27	mpan 424	. . . . . . 7 ⊢ (𝐵 ∈ ℂ → Σ𝑘 ∈ {𝑧}𝐵 = 𝐵)
29	28	ad4antlr 495	. . . . . 6 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → Σ𝑘 ∈ {𝑧}𝐵 = 𝐵)
30	24, 29	oveq12d 5909	. . . . 5 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (Σ𝑘 ∈ 𝑦 𝐵 + Σ𝑘 ∈ {𝑧}𝐵) = (((♯‘𝑦) · 𝐵) + 𝐵))
31		simprr 531	. . . . . . . . 9 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → 𝑧 ∈ (𝐴 ∖ 𝑦))
32	31	eldifbd 3156	. . . . . . . 8 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → ¬ 𝑧 ∈ 𝑦)
33		disjsn 3669	. . . . . . . 8 ⊢ ((𝑦 ∩ {𝑧}) = ∅ ↔ ¬ 𝑧 ∈ 𝑦)
34	32, 33	sylibr 134	. . . . . . 7 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → (𝑦 ∩ {𝑧}) = ∅)
35		eqidd 2190	. . . . . . 7 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → (𝑦 ∪ {𝑧}) = (𝑦 ∪ {𝑧}))
36		simplr 528	. . . . . . . 8 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → 𝑦 ∈ Fin)
37		snfig 6832	. . . . . . . . . 10 ⊢ (𝑧 ∈ V → {𝑧} ∈ Fin)
38	37	elv 2756	. . . . . . . . 9 ⊢ {𝑧} ∈ Fin
39	38	a1i 9	. . . . . . . 8 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → {𝑧} ∈ Fin)
40		unfidisj 6939	. . . . . . . 8 ⊢ ((𝑦 ∈ Fin ∧ {𝑧} ∈ Fin ∧ (𝑦 ∩ {𝑧}) = ∅) → (𝑦 ∪ {𝑧}) ∈ Fin)
41	36, 39, 34, 40	syl3anc 1249	. . . . . . 7 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → (𝑦 ∪ {𝑧}) ∈ Fin)
42		simp-4r 542	. . . . . . 7 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ 𝑘 ∈ (𝑦 ∪ {𝑧})) → 𝐵 ∈ ℂ)
43	34, 35, 41, 42	fsumsplit 11434	. . . . . 6 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = (Σ𝑘 ∈ 𝑦 𝐵 + Σ𝑘 ∈ {𝑧}𝐵))
44	43	adantr 276	. . . . 5 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = (Σ𝑘 ∈ 𝑦 𝐵 + Σ𝑘 ∈ {𝑧}𝐵))
45		hashcl 10780	. . . . . . . 8 ⊢ (𝑦 ∈ Fin → (♯‘𝑦) ∈ ℕ₀)
46	45	ad3antlr 493	. . . . . . 7 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (♯‘𝑦) ∈ ℕ₀)
47	46	nn0cnd 9250	. . . . . 6 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (♯‘𝑦) ∈ ℂ)
48		simp-4r 542	. . . . . 6 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → 𝐵 ∈ ℂ)
49	47, 48	adddirp1d 8003	. . . . 5 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (((♯‘𝑦) + 1) · 𝐵) = (((♯‘𝑦) · 𝐵) + 𝐵))
50	30, 44, 49	3eqtr4d 2232	. . . 4 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = (((♯‘𝑦) + 1) · 𝐵))
51	36	adantr 276	. . . . . . 7 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → 𝑦 ∈ Fin)
52	38	a1i 9	. . . . . . 7 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → {𝑧} ∈ Fin)
53	34	adantr 276	. . . . . . 7 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (𝑦 ∩ {𝑧}) = ∅)
54		hashun 10804	. . . . . . 7 ⊢ ((𝑦 ∈ Fin ∧ {𝑧} ∈ Fin ∧ (𝑦 ∩ {𝑧}) = ∅) → (♯‘(𝑦 ∪ {𝑧})) = ((♯‘𝑦) + (♯‘{𝑧})))
55	51, 52, 53, 54	syl3anc 1249	. . . . . 6 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (♯‘(𝑦 ∪ {𝑧})) = ((♯‘𝑦) + (♯‘{𝑧})))
56		hashsng 10797	. . . . . . . 8 ⊢ (𝑧 ∈ V → (♯‘{𝑧}) = 1)
57	56	elv 2756	. . . . . . 7 ⊢ (♯‘{𝑧}) = 1
58	57	oveq2i 5902	. . . . . 6 ⊢ ((♯‘𝑦) + (♯‘{𝑧})) = ((♯‘𝑦) + 1)
59	55, 58	eqtrdi 2238	. . . . 5 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → (♯‘(𝑦 ∪ {𝑧})) = ((♯‘𝑦) + 1))
60	59	oveq1d 5906	. . . 4 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → ((♯‘(𝑦 ∪ {𝑧})) · 𝐵) = (((♯‘𝑦) + 1) · 𝐵))
61	50, 60	eqtr4d 2225	. . 3 ⊢ (((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) ∧ Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵)) → Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = ((♯‘(𝑦 ∪ {𝑧})) · 𝐵))
62	61	ex 115	. 2 ⊢ ((((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) ∧ 𝑦 ∈ Fin) ∧ (𝑦 ⊆ 𝐴 ∧ 𝑧 ∈ (𝐴 ∖ 𝑦))) → (Σ𝑘 ∈ 𝑦 𝐵 = ((♯‘𝑦) · 𝐵) → Σ𝑘 ∈ (𝑦 ∪ {𝑧})𝐵 = ((♯‘(𝑦 ∪ {𝑧})) · 𝐵)))
63		simpl 109	. 2 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → 𝐴 ∈ Fin)
64	4, 8, 12, 16, 23, 62, 63	findcard2sd 6910	1 ⊢ ((𝐴 ∈ Fin ∧ 𝐵 ∈ ℂ) → Σ𝑘 ∈ 𝐴 𝐵 = ((♯‘𝐴) · 𝐵))

Colors of variables: wff set class

Syntax hints: ¬ wn 3 → wi 4 ∧ wa 104 = wceq 1364 ∈ wcel 2160 Vcvv 2752 ∖ cdif 3141 ∪ cun 3142 ∩ cin 3143 ⊆ wss 3144 ∅c0 3437 {csn 3607 ‘cfv 5231 (class class class)co 5891 Fincfn 6758 ℂcc 7828 0cc0 7830 1c1 7831 + caddc 7833 · cmul 7835 ℕ₀cn0 9195 ♯chash 10774 Σcsu 11380

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-ia1 106 ax-ia2 107 ax-ia3 108 ax-in1 615 ax-in2 616 ax-io 710 ax-5 1458 ax-7 1459 ax-gen 1460 ax-ie1 1504 ax-ie2 1505 ax-8 1515 ax-10 1516 ax-11 1517 ax-i12 1518 ax-bndl 1520 ax-4 1521 ax-17 1537 ax-i9 1541 ax-ial 1545 ax-i5r 1546 ax-13 2162 ax-14 2163 ax-ext 2171 ax-coll 4133 ax-sep 4136 ax-nul 4144 ax-pow 4189 ax-pr 4224 ax-un 4448 ax-setind 4551 ax-iinf 4602 ax-cnex 7921 ax-resscn 7922 ax-1cn 7923 ax-1re 7924 ax-icn 7925 ax-addcl 7926 ax-addrcl 7927 ax-mulcl 7928 ax-mulrcl 7929 ax-addcom 7930 ax-mulcom 7931 ax-addass 7932 ax-mulass 7933 ax-distr 7934 ax-i2m1 7935 ax-0lt1 7936 ax-1rid 7937 ax-0id 7938 ax-rnegex 7939 ax-precex 7940 ax-cnre 7941 ax-pre-ltirr 7942 ax-pre-ltwlin 7943 ax-pre-lttrn 7944 ax-pre-apti 7945 ax-pre-ltadd 7946 ax-pre-mulgt0 7947 ax-pre-mulext 7948 ax-arch 7949 ax-caucvg 7950

This theorem depends on definitions: df-bi 117 df-dc 836 df-3or 981 df-3an 982 df-tru 1367 df-fal 1370 df-nf 1472 df-sb 1774 df-eu 2041 df-mo 2042 df-clab 2176 df-cleq 2182 df-clel 2185 df-nfc 2321 df-ne 2361 df-nel 2456 df-ral 2473 df-rex 2474 df-reu 2475 df-rmo 2476 df-rab 2477 df-v 2754 df-sbc 2978 df-csb 3073 df-dif 3146 df-un 3148 df-in 3150 df-ss 3157 df-nul 3438 df-if 3550 df-pw 3592 df-sn 3613 df-pr 3614 df-op 3616 df-uni 3825 df-int 3860 df-iun 3903 df-br 4019 df-opab 4080 df-mpt 4081 df-tr 4117 df-id 4308 df-po 4311 df-iso 4312 df-iord 4381 df-on 4383 df-ilim 4384 df-suc 4386 df-iom 4605 df-xp 4647 df-rel 4648 df-cnv 4649 df-co 4650 df-dm 4651 df-rn 4652 df-res 4653 df-ima 4654 df-iota 5193 df-fun 5233 df-fn 5234 df-f 5235 df-f1 5236 df-fo 5237 df-f1o 5238 df-fv 5239 df-isom 5240 df-riota 5847 df-ov 5894 df-oprab 5895 df-mpo 5896 df-1st 6159 df-2nd 6160 df-recs 6324 df-irdg 6389 df-frec 6410 df-1o 6435 df-oadd 6439 df-er 6553 df-en 6759 df-dom 6760 df-fin 6761 df-pnf 8013 df-mnf 8014 df-xr 8015 df-ltxr 8016 df-le 8017 df-sub 8149 df-neg 8150 df-reap 8551 df-ap 8558 df-div 8649 df-inn 8939 df-2 8997 df-3 8998 df-4 8999 df-n0 9196 df-z 9273 df-uz 9548 df-q 9639 df-rp 9673 df-fz 10028 df-fzo 10162 df-seqfrec 10465 df-exp 10539 df-ihash 10775 df-cj 10870 df-re 10871 df-im 10872 df-rsqrt 11026 df-abs 11027 df-clim 11306 df-sumdc 11381

This theorem is referenced by: fsumdifsnconst 11482 hashiun 11505 hash2iun1dif1 11507 mertenslemi1 11562 sumhashdc 12364

W3C validator