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Theorem mulc1cncf 24780

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 11196	. . 3 ⊢ ((𝐴 ∈ ℂ ∧ 𝑥 ∈ ℂ) → (𝐴 · 𝑥) ∈ ℂ)
2		mulc1cncf.1	. . 3 ⊢ 𝐹 = (𝑥 ∈ ℂ ↦ (𝐴 · 𝑥))
3	1, 2	fmptd 7109	. 2 ⊢ (𝐴 ∈ ℂ → 𝐹:ℂ⟶ℂ)
4		simprr 770	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝑧 ∈ ℝ⁺)
5		simpl 482	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝐴 ∈ ℂ)
6		simprl 768	. . . . 5 ⊢ ((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) → 𝑦 ∈ ℂ)
7		mulcn2 15546	. . . . 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 1368	. . . 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 5151	. . . . . . . . . . . . 13 ⊢ (𝑣 = 𝐴 → ((abs‘(𝑣 − 𝐴)) < 𝑡 ↔ (abs‘(𝐴 − 𝐴)) < 𝑡))
11	10	anbi1d 629	. . . . . . . . . . . 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 5151	. . . . . . . . . . . 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 3171	. . . . . . . . . 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 3602	. . . . . . . . 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 723	. . . . . . . 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 11483	. . . . . . . . . . . . . . 15 ⊢ (𝐴 ∈ ℂ → (𝐴 − 𝐴) = 0)
20	19	ad2antrr 723	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (𝐴 − 𝐴) = 0)
21	20	abs00bd 15244	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (abs‘(𝐴 − 𝐴)) = 0)
22		simprll 776	. . . . . . . . . . . . . 14 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 𝑡 ∈ ℝ⁺)
23	22	rpgt0d 13025	. . . . . . . . . . . . 13 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → 0 < 𝑡)
24	21, 23	eqbrtrd 5163	. . . . . . . . . . . 12 ⊢ (((𝐴 ∈ ℂ ∧ (𝑦 ∈ ℂ ∧ 𝑧 ∈ ℝ⁺)) ∧ ((𝑡 ∈ ℝ⁺ ∧ 𝑤 ∈ ℝ⁺) ∧ 𝑢 ∈ ℂ)) → (abs‘(𝐴 − 𝐴)) < 𝑡)
25	24	biantrurd 532	. . . . . . . . . . 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 770	. . . . . . . . . . . . . . 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 6992	. . . . . . . . . . . . . . 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 774	. . . . . . . . . . . . . . 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 6992	. . . . . . . . . . . . . . 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 6889	. . . . . . . . . . . 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 5151	. . . . . . . . . . 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 467	. . . . . . . . 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 3169	. . . . . . . 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 259	. . . . . . 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 467	. . . . . 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 3162	. . . . 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 3149	. . . 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 3194	. 2 ⊢ (𝐴 ∈ ℂ → ∀𝑦 ∈ ℂ ∀𝑧 ∈ ℝ⁺ ∃𝑤 ∈ ℝ⁺ ∀𝑢 ∈ ℂ ((abs‘(𝑢 − 𝑦)) < 𝑤 → (abs‘((𝐹‘𝑢) − (𝐹‘𝑦))) < 𝑧))
48		ssid 3999	. . 3 ⊢ ℂ ⊆ ℂ
49		elcncf2 24765	. . 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 689	. 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 582	1 ⊢ (𝐴 ∈ ℂ → 𝐹 ∈ (ℂ–cn→ℂ))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 395 = wceq 1533 ∈ wcel 2098 ∀wral 3055 ∃wrex 3064 ⊆ wss 3943 class class class wbr 5141 ↦ cmpt 5224 ⟶wf 6533 ‘cfv 6537 (class class class)co 7405 ℂcc 11110 0cc0 11112 · cmul 11117 < clt 11252 − cmin 11448 ℝ⁺crp 12980 abscabs 15187 –cn→ccncf 24751

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 2163 ax-ext 2697 ax-sep 5292 ax-nul 5299 ax-pow 5356 ax-pr 5420 ax-un 7722 ax-cnex 11168 ax-resscn 11169 ax-1cn 11170 ax-icn 11171 ax-addcl 11172 ax-addrcl 11173 ax-mulcl 11174 ax-mulrcl 11175 ax-mulcom 11176 ax-addass 11177 ax-mulass 11178 ax-distr 11179 ax-i2m1 11180 ax-1ne0 11181 ax-1rid 11182 ax-rnegex 11183 ax-rrecex 11184 ax-cnre 11185 ax-pre-lttri 11186 ax-pre-lttrn 11187 ax-pre-ltadd 11188 ax-pre-mulgt0 11189 ax-pre-sup 11190

This theorem depends on definitions: df-bi 206 df-an 396 df-or 845 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 2704 df-cleq 2718 df-clel 2804 df-nfc 2879 df-ne 2935 df-nel 3041 df-ral 3056 df-rex 3065 df-rmo 3370 df-reu 3371 df-rab 3427 df-v 3470 df-sbc 3773 df-csb 3889 df-dif 3946 df-un 3948 df-in 3950 df-ss 3960 df-pss 3962 df-nul 4318 df-if 4524 df-pw 4599 df-sn 4624 df-pr 4626 df-op 4630 df-uni 4903 df-iun 4992 df-br 5142 df-opab 5204 df-mpt 5225 df-tr 5259 df-id 5567 df-eprel 5573 df-po 5581 df-so 5582 df-fr 5624 df-we 5626 df-xp 5675 df-rel 5676 df-cnv 5677 df-co 5678 df-dm 5679 df-rn 5680 df-res 5681 df-ima 5682 df-pred 6294 df-ord 6361 df-on 6362 df-lim 6363 df-suc 6364 df-iota 6489 df-fun 6539 df-fn 6540 df-f 6541 df-f1 6542 df-fo 6543 df-f1o 6544 df-fv 6545 df-riota 7361 df-ov 7408 df-oprab 7409 df-mpo 7410 df-om 7853 df-2nd 7975 df-frecs 8267 df-wrecs 8298 df-recs 8372 df-rdg 8411 df-er 8705 df-map 8824 df-en 8942 df-dom 8943 df-sdom 8944 df-sup 9439 df-pnf 11254 df-mnf 11255 df-xr 11256 df-ltxr 11257 df-le 11258 df-sub 11450 df-neg 11451 df-div 11876 df-nn 12217 df-2 12279 df-3 12280 df-n0 12477 df-z 12563 df-uz 12827 df-rp 12981 df-seq 13973 df-exp 14033 df-cj 15052 df-re 15053 df-im 15054 df-sqrt 15188 df-abs 15189 df-cncf 24753

This theorem is referenced by: divccncf 24781 sincn 26336 coscn 26337 logcn 26536 itgexpif 34147 mulc1cncfg 44877 dirkeritg 45390 dirkercncflem2 45392

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