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Theorem mulc1cncf 24412

Description: Multiplication by a constant is continuous. (Contributed by Paul Chapman, 28-Nov-2007.) (Revised by Mario Carneiro, 30-Apr-2014.)

**Hypothesis**
Ref	Expression
mulc1cncf.1	⊢ 𝐹 = (𝑥 ∈ ℂ ↦ (𝐴 · 𝑥))

**Assertion**
Ref	Expression
mulc1cncf	⊢ (𝐴 ∈ ℂ → 𝐹 ∈ (ℂ–cn→ℂ))

Distinct variable group: 𝑥,𝐴 Allowed substitution hint: 𝐹(𝑥)

Proof of Theorem mulc1cncf Dummy variables 𝑢 𝑡 𝑣 𝑤 𝑦 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		mulcl 11190	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℂ) → (𝐴 · 𝑥) ∈ ℂ)
2		mulc1cncf.1	. . 3 ⊢ 𝐹 = (𝑥 ∈ ℂ ↦ (𝐴 · 𝑥))
3	1, 2	fmptd 7110	. 2 ⊢ (𝐴 ∈ ℂ → 𝐹:ℂ⟶ℂ)
4		simprr 771	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝑧 ∈ ℝ⁺)
5		simpl 483	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝐴 ∈ ℂ)
6		simprl 769	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝑦 ∈ ℂ)
7		mulcn2 15536	. . . . 5 ⊢ ((𝑧 ∈ ℝ⁺ ∧ 𝐴 ∈ ℂ ∧ 𝑦 ∈ ℂ) → ∃𝑡 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧))
8	4, 5, 6, 7	syl3anc 1371	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → ∃𝑡 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧))
9		fvoveq1 7428	. . . . . . . . . . . . . 14 ⊢ (𝑣 = 𝐴 → (abs‘(𝑣 − 𝐴)) = (abs‘(𝐴 − 𝐴)))
10	9	breq1d 5157	. . . . . . . . . . . . 13 ⊢ (𝑣 = 𝐴 → ((abs‘(𝑣 − 𝐴)) < 𝑡 ↔ (abs‘(𝐴 − 𝐴)) < 𝑡))
11	10	anbi1d 630	. . . . . . . . . . . 12 ⊢ (𝑣 = 𝐴 → (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) ↔ ((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤)))
12		oveq1 7412	. . . . . . . . . . . . . 14 ⊢ (𝑣 = 𝐴 → (𝑣 · 𝑢) = (𝐴 · 𝑢))
13	12	fvoveq1d 7427	. . . . . . . . . . . . 13 ⊢ (𝑣 = 𝐴 → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) = (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))))
14	13	breq1d 5157	. . . . . . . . . . . 12 ⊢ (𝑣 = 𝐴 → ((abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧 ↔ (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧))
15	11, 14	imbi12d 344	. . . . . . . . . . 11 ⊢ (𝑣 = 𝐴 → ((((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) ↔ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
16	15	ralbidv 3177	. . . . . . . . . 10 ⊢ (𝑣 = 𝐴 → (∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) ↔ ∀𝑢 ∈ ℂ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
17	16	rspcv 3608	. . . . . . . . 9 ⊢ (𝐴 ∈ ℂ → (∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∀𝑢 ∈ ℂ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
18	17	ad2antrr 724	. . . . . . . 8 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ (𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺)) → (∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∀𝑢 ∈ ℂ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
19		subid 11475	. . . . . . . . . . . . . . 15 ⊢ (𝐴 ∈ ℂ → (𝐴 − 𝐴) = 0)
20	19	ad2antrr 724	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (𝐴 − 𝐴) = 0)
21	20	abs00bd 15234	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (abs‘(𝐴 − 𝐴)) = 0)
22		simprll 777	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 𝑡 ∈ ℝ⁺)
23	22	rpgt0d 13015	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 0 < 𝑡)
24	21, 23	eqbrtrd 5169	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (abs‘(𝐴 − 𝐴)) < 𝑡)
25	24	biantrurd 533	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → ((abs‘(𝑢 − 𝑦)) < 𝑤 ↔ ((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤)))
26		simprr 771	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 𝑢 ∈ ℂ)
27		oveq2 7413	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 = 𝑢 → (𝐴 · 𝑥) = (𝐴 · 𝑢))
28		ovex 7438	. . . . . . . . . . . . . . . 16 ⊢ (𝐴 · 𝑢) ∈ V
29	27, 2, 28	fvmpt 6995	. . . . . . . . . . . . . . 15 ⊢ (𝑢 ∈ ℂ → (𝐹‘𝑢) = (𝐴 · 𝑢))
30	26, 29	syl 17	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (𝐹‘𝑢) = (𝐴 · 𝑢))
31		simplrl 775	. . . . . . . . . . . . . . 15 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 𝑦 ∈ ℂ)
32		oveq2 7413	. . . . . . . . . . . . . . . 16 ⊢ (𝑥 = 𝑦 → (𝐴 · 𝑥) = (𝐴 · 𝑦))
33		ovex 7438	. . . . . . . . . . . . . . . 16 ⊢ (𝐴 · 𝑦) ∈ V
34	32, 2, 33	fvmpt 6995	. . . . . . . . . . . . . . 15 ⊢ (𝑦 ∈ ℂ → (𝐹‘𝑦) = (𝐴 · 𝑦))
35	31, 34	syl 17	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (𝐹‘𝑦) = (𝐴 · 𝑦))
36	30, 35	oveq12d 7423	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → ((𝐹‘𝑢) − (𝐹‘𝑦)) = ((𝐴 · 𝑢) − (𝐴 · 𝑦)))
37	36	fveq2d 6892	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) = (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))))
38	37	breq1d 5157	. . . . . . . . . . 11 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → ((abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧 ↔ (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧))
39	25, 38	imbi12d 344	. . . . . . . . . 10 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧) ↔ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
40	39	anassrs 468	. . . . . . . . 9 ⊢ ((((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ (𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺)) ∧ 𝑢 ∈ ℂ) → (((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧) ↔ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
41	40	ralbidva 3175	. . . . . . . 8 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ (𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺)) → (∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧) ↔ ∀𝑢 ∈ ℂ (((abs‘(𝐴 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝐴 · 𝑢) − (𝐴 · 𝑦))) < 𝑧)))
42	18, 41	sylibrd 258	. . . . . . 7 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ (𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺)) → (∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧)))
43	42	anassrs 468	. . . . . 6 ⊢ ((((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ 𝑡 ∈ ℝ⁺) ∧ 𝑤 ∈ ℝ⁺) → (∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧)))
44	43	reximdva 3168	. . . . 5 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ 𝑡 ∈ ℝ⁺) → (∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧)))
45	44	rexlimdva 3155	. . . 4 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → (∃𝑡 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑣 ∈ ℂ ∀𝑢 ∈ ℂ (((abs‘(𝑣 − 𝐴)) < 𝑡 ∧ (abs‘(𝑢 − 𝑦)) < 𝑤) → (abs‘((𝑣 · 𝑢) − (𝐴 · 𝑦))) < 𝑧) → ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧)))
46	8, 45	mpd 15	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧))
47	46	ralrimivva 3200	. 2 ⊢ (𝐴 ∈ ℂ → ∀𝑦 ∈ ℂ ∀𝑧 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧))
48		ssid 4003	. . 3 ⊢ ℂ ⊆ ℂ
49		elcncf2 24397	. . 3 ⊢ ((ℂ ⊆ ℂ ∧ ℂ ⊆ ℂ) → (𝐹 ∈ (ℂ–cn→ℂ) ↔ (𝐹:ℂ⟶ℂ ∧ ∀𝑦 ∈ ℂ ∀𝑧 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧))))
50	48, 48, 49	mp2an 690	. 2 ⊢ (𝐹 ∈ (ℂ–cn→ℂ) ↔ (𝐹:ℂ⟶ℂ ∧ ∀𝑦 ∈ ℂ ∀𝑧 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧)))
51	3, 47, 50	sylanbrc 583	1 ⊢ (𝐴 ∈ ℂ → 𝐹 ∈ (ℂ–cn→ℂ))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1541 ∈ wcel 2106 ∀wral 3061 ∃wrex 3070 ⊆ wss 3947 class class class wbr 5147 ↦ cmpt 5230 ⟶wf 6536 ‘cfv 6540 (class class class)co 7405 ℂcc 11104 0cc0 11106 · cmul 11111 < clt 11244 − cmin 11440 ℝ⁺crp 12970 abscabs 15177 –cn→ccncf 24383

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 1913 ax-6 1971 ax-7 2011 ax-8 2108 ax-9 2116 ax-10 2137 ax-11 2154 ax-12 2171 ax-ext 2703 ax-sep 5298 ax-nul 5305 ax-pow 5362 ax-pr 5426 ax-un 7721 ax-cnex 11162 ax-resscn 11163 ax-1cn 11164 ax-icn 11165 ax-addcl 11166 ax-addrcl 11167 ax-mulcl 11168 ax-mulrcl 11169 ax-mulcom 11170 ax-addass 11171 ax-mulass 11172 ax-distr 11173 ax-i2m1 11174 ax-1ne0 11175 ax-1rid 11176 ax-rnegex 11177 ax-rrecex 11178 ax-cnre 11179 ax-pre-lttri 11180 ax-pre-lttrn 11181 ax-pre-ltadd 11182 ax-pre-mulgt0 11183 ax-pre-sup 11184

This theorem depends on definitions: df-bi 206 df-an 397 df-or 846 df-3or 1088 df-3an 1089 df-tru 1544 df-fal 1554 df-ex 1782 df-nf 1786 df-sb 2068 df-mo 2534 df-eu 2563 df-clab 2710 df-cleq 2724 df-clel 2810 df-nfc 2885 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3376 df-reu 3377 df-rab 3433 df-v 3476 df-sbc 3777 df-csb 3893 df-dif 3950 df-un 3952 df-in 3954 df-ss 3964 df-pss 3966 df-nul 4322 df-if 4528 df-pw 4603 df-sn 4628 df-pr 4630 df-op 4634 df-uni 4908 df-iun 4998 df-br 5148 df-opab 5210 df-mpt 5231 df-tr 5265 df-id 5573 df-eprel 5579 df-po 5587 df-so 5588 df-fr 5630 df-we 5632 df-xp 5681 df-rel 5682 df-cnv 5683 df-co 5684 df-dm 5685 df-rn 5686 df-res 5687 df-ima 5688 df-pred 6297 df-ord 6364 df-on 6365 df-lim 6366 df-suc 6367 df-iota 6492 df-fun 6542 df-fn 6543 df-f 6544 df-f1 6545 df-fo 6546 df-f1o 6547 df-fv 6548 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7852 df-2nd 7972 df-frecs 8262 df-wrecs 8293 df-recs 8367 df-rdg 8406 df-er 8699 df-map 8818 df-en 8936 df-dom 8937 df-sdom 8938 df-sup 9433 df-pnf 11246 df-mnf 11247 df-xr 11248 df-ltxr 11249 df-le 11250 df-sub 11442 df-neg 11443 df-div 11868 df-nn 12209 df-2 12271 df-3 12272 df-n0 12469 df-z 12555 df-uz 12819 df-rp 12971 df-seq 13963 df-exp 14024 df-cj 15042 df-re 15043 df-im 15044 df-sqrt 15178 df-abs 15179 df-cncf 24385

This theorem is referenced by: divccncf 24413 sincn 25947 coscn 25948 logcn 26146 itgexpif 33606 mulc1cncfg 44291 dirkeritg 44804 dirkercncflem2 44806

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