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Theorem nlmvscn 23949

Description: The scalar multiplication of a normed module is continuous. Lemma for nrgtrg 23952 and nlmtlm 23956. (Contributed by Mario Carneiro, 4-Oct-2015.)

**Hypotheses**
Ref	Expression
nlmvscn.f	⊢ 𝐹 = (Scalar‘𝑊)
nlmvscn.sf	⊢ · = ( ·_sf ‘𝑊)
nlmvscn.j	⊢ 𝐽 = (TopOpen‘𝑊)
nlmvscn.kf	⊢ 𝐾 = (TopOpen‘𝐹)

**Assertion**
Ref	Expression
nlmvscn	⊢ (𝑊 ∈ NrmMod → · ∈ ((𝐾 ×_t 𝐽) Cn 𝐽))

Proof of Theorem nlmvscn Dummy variables 𝑟 𝑥 𝑦 𝑠 𝑤 𝑧 are mutually distinct and distinct from all other variables.

Step	Hyp	Ref	Expression
1		nlmlmod 23940	. . . 4 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ LMod)
2		eqid 2736	. . . . 5 ⊢ (Base‘𝑊) = (Base‘𝑊)
3		nlmvscn.f	. . . . 5 ⊢ 𝐹 = (Scalar‘𝑊)
4		eqid 2736	. . . . 5 ⊢ (Base‘𝐹) = (Base‘𝐹)
5		nlmvscn.sf	. . . . 5 ⊢ · = ( ·_sf ‘𝑊)
6	2, 3, 4, 5	lmodscaf 20243	. . . 4 ⊢ (𝑊 ∈ LMod → · :((Base‘𝐹) × (Base‘𝑊))⟶(Base‘𝑊))
7	1, 6	syl 17	. . 3 ⊢ (𝑊 ∈ NrmMod → · :((Base‘𝐹) × (Base‘𝑊))⟶(Base‘𝑊))
8		eqid 2736	. . . . . . 7 ⊢ (dist‘𝑊) = (dist‘𝑊)
9		eqid 2736	. . . . . . 7 ⊢ (dist‘𝐹) = (dist‘𝐹)
10		eqid 2736	. . . . . . 7 ⊢ (norm‘𝑊) = (norm‘𝑊)
11		eqid 2736	. . . . . . 7 ⊢ (norm‘𝐹) = (norm‘𝐹)
12		eqid 2736	. . . . . . 7 ⊢ ( ·_𝑠 ‘𝑊) = ( ·_𝑠 ‘𝑊)
13		eqid 2736	. . . . . . 7 ⊢ ((𝑟 / 2) / (((norm‘𝐹)‘𝑥) + 1)) = ((𝑟 / 2) / (((norm‘𝐹)‘𝑥) + 1))
14		eqid 2736	. . . . . . 7 ⊢ ((𝑟 / 2) / (((norm‘𝑊)‘𝑦) + ((𝑟 / 2) / (((norm‘𝐹)‘𝑥) + 1)))) = ((𝑟 / 2) / (((norm‘𝑊)‘𝑦) + ((𝑟 / 2) / (((norm‘𝐹)‘𝑥) + 1))))
15		simpll 764	. . . . . . 7 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ 𝑟 ∈ ℝ⁺) → 𝑊 ∈ NrmMod)
16		simpr 485	. . . . . . 7 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ 𝑟 ∈ ℝ⁺) → 𝑟 ∈ ℝ⁺)
17		simplrl 774	. . . . . . 7 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ 𝑟 ∈ ℝ⁺) → 𝑥 ∈ (Base‘𝐹))
18		simplrr 775	. . . . . . 7 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ 𝑟 ∈ ℝ⁺) → 𝑦 ∈ (Base‘𝑊))
19	3, 2, 4, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18	nlmvscnlem1 23948	. . . . . 6 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ 𝑟 ∈ ℝ⁺) → ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟))
20	19	ralrimiva 3139	. . . . 5 ⊢ ((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) → ∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟))
21		simplrl 774	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → 𝑥 ∈ (Base‘𝐹))
22		simprl 768	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → 𝑧 ∈ (Base‘𝐹))
23	21, 22	ovresd 7493	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) = (𝑥(dist‘𝐹)𝑧))
24	23	breq1d 5099	. . . . . . . . . 10 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ↔ (𝑥(dist‘𝐹)𝑧) < 𝑠))
25		simplrr 775	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → 𝑦 ∈ (Base‘𝑊))
26		simprr 770	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → 𝑤 ∈ (Base‘𝑊))
27	25, 26	ovresd 7493	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) = (𝑦(dist‘𝑊)𝑤))
28	27	breq1d 5099	. . . . . . . . . 10 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠 ↔ (𝑦(dist‘𝑊)𝑤) < 𝑠))
29	24, 28	anbi12d 631	. . . . . . . . 9 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) ↔ ((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠)))
30	2, 3, 4, 5, 12	scafval 20240	. . . . . . . . . . . . 13 ⊢ ((𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊)) → (𝑥 · 𝑦) = (𝑥( ·_𝑠 ‘𝑊)𝑦))
31	30	ad2antlr 724	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑥 · 𝑦) = (𝑥( ·_𝑠 ‘𝑊)𝑦))
32	2, 3, 4, 5, 12	scafval 20240	. . . . . . . . . . . . 13 ⊢ ((𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊)) → (𝑧 · 𝑤) = (𝑧( ·_𝑠 ‘𝑊)𝑤))
33	32	adantl 482	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑧 · 𝑤) = (𝑧( ·_𝑠 ‘𝑊)𝑤))
34	31, 33	oveq12d 7347	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) = ((𝑥( ·_𝑠 ‘𝑊)𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧( ·_𝑠 ‘𝑊)𝑤)))
35	1	ad2antrr 723	. . . . . . . . . . . . 13 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → 𝑊 ∈ LMod)
36	2, 3, 12, 4	lmodvscl 20238	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LMod ∧ 𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊)) → (𝑥( ·_𝑠 ‘𝑊)𝑦) ∈ (Base‘𝑊))
37	35, 21, 25, 36	syl3anc 1370	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑥( ·_𝑠 ‘𝑊)𝑦) ∈ (Base‘𝑊))
38	2, 3, 12, 4	lmodvscl 20238	. . . . . . . . . . . . 13 ⊢ ((𝑊 ∈ LMod ∧ 𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊)) → (𝑧( ·_𝑠 ‘𝑊)𝑤) ∈ (Base‘𝑊))
39	35, 22, 26, 38	syl3anc 1370	. . . . . . . . . . . 12 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (𝑧( ·_𝑠 ‘𝑊)𝑤) ∈ (Base‘𝑊))
40	37, 39	ovresd 7493	. . . . . . . . . . 11 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧( ·_𝑠 ‘𝑊)𝑤)) = ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)))
41	34, 40	eqtrd 2776	. . . . . . . . . 10 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) = ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)))
42	41	breq1d 5099	. . . . . . . . 9 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → (((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟 ↔ ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟))
43	29, 42	imbi12d 344	. . . . . . . 8 ⊢ (((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) ∧ (𝑧 ∈ (Base‘𝐹) ∧ 𝑤 ∈ (Base‘𝑊))) → ((((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟) ↔ (((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟)))
44	43	2ralbidva 3206	. . . . . . 7 ⊢ ((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) → (∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟) ↔ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟)))
45	44	rexbidv 3171	. . . . . 6 ⊢ ((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) → (∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟) ↔ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟)))
46	45	ralbidv 3170	. . . . 5 ⊢ ((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) → (∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟) ↔ ∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥(dist‘𝐹)𝑧) < 𝑠 ∧ (𝑦(dist‘𝑊)𝑤) < 𝑠) → ((𝑥( ·_𝑠 ‘𝑊)𝑦)(dist‘𝑊)(𝑧( ·_𝑠 ‘𝑊)𝑤)) < 𝑟)))
47	20, 46	mpbird 256	. . . 4 ⊢ ((𝑊 ∈ NrmMod ∧ (𝑥 ∈ (Base‘𝐹) ∧ 𝑦 ∈ (Base‘𝑊))) → ∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟))
48	47	ralrimivva 3193	. . 3 ⊢ (𝑊 ∈ NrmMod → ∀𝑥 ∈ (Base‘𝐹)∀𝑦 ∈ (Base‘𝑊)∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟))
49	3	nlmngp2 23942	. . . . . 6 ⊢ (𝑊 ∈ NrmMod → 𝐹 ∈ NrmGrp)
50		ngpms 23854	. . . . . 6 ⊢ (𝐹 ∈ NrmGrp → 𝐹 ∈ MetSp)
51	49, 50	syl 17	. . . . 5 ⊢ (𝑊 ∈ NrmMod → 𝐹 ∈ MetSp)
52		msxms 23705	. . . . 5 ⊢ (𝐹 ∈ MetSp → 𝐹 ∈ ∞MetSp)
53		eqid 2736	. . . . . 6 ⊢ ((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹))) = ((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))
54	4, 53	xmsxmet 23707	. . . . 5 ⊢ (𝐹 ∈ ∞MetSp → ((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹))) ∈ (∞Met‘(Base‘𝐹)))
55	51, 52, 54	3syl 18	. . . 4 ⊢ (𝑊 ∈ NrmMod → ((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹))) ∈ (∞Met‘(Base‘𝐹)))
56		nlmngp 23939	. . . . . 6 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ NrmGrp)
57		ngpms 23854	. . . . . 6 ⊢ (𝑊 ∈ NrmGrp → 𝑊 ∈ MetSp)
58	56, 57	syl 17	. . . . 5 ⊢ (𝑊 ∈ NrmMod → 𝑊 ∈ MetSp)
59		msxms 23705	. . . . 5 ⊢ (𝑊 ∈ MetSp → 𝑊 ∈ ∞MetSp)
60		eqid 2736	. . . . . 6 ⊢ ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))) = ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))
61	2, 60	xmsxmet 23707	. . . . 5 ⊢ (𝑊 ∈ ∞MetSp → ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))) ∈ (∞Met‘(Base‘𝑊)))
62	58, 59, 61	3syl 18	. . . 4 ⊢ (𝑊 ∈ NrmMod → ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))) ∈ (∞Met‘(Base‘𝑊)))
63		eqid 2736	. . . . 5 ⊢ (MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) = (MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹))))
64		eqid 2736	. . . . 5 ⊢ (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))) = (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))
65	63, 64, 64	txmetcn 23802	. . . 4 ⊢ ((((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹))) ∈ (∞Met‘(Base‘𝐹)) ∧ ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))) ∈ (∞Met‘(Base‘𝑊)) ∧ ((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))) ∈ (∞Met‘(Base‘𝑊))) → ( · ∈ (((MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) ×_t (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) Cn (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) ↔ ( · :((Base‘𝐹) × (Base‘𝑊))⟶(Base‘𝑊) ∧ ∀𝑥 ∈ (Base‘𝐹)∀𝑦 ∈ (Base‘𝑊)∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟))))
66	55, 62, 62, 65	syl3anc 1370	. . 3 ⊢ (𝑊 ∈ NrmMod → ( · ∈ (((MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) ×_t (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) Cn (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) ↔ ( · :((Base‘𝐹) × (Base‘𝑊))⟶(Base‘𝑊) ∧ ∀𝑥 ∈ (Base‘𝐹)∀𝑦 ∈ (Base‘𝑊)∀𝑟 ∈ ℝ⁺ ∃𝑠 ∈ ℝ⁺ ∀𝑧 ∈ (Base‘𝐹)∀𝑤 ∈ (Base‘𝑊)(((𝑥((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))𝑧) < 𝑠 ∧ (𝑦((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))𝑤) < 𝑠) → ((𝑥 · 𝑦)((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))(𝑧 · 𝑤)) < 𝑟))))
67	7, 48, 66	mpbir2and 710	. 2 ⊢ (𝑊 ∈ NrmMod → · ∈ (((MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) ×_t (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) Cn (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))))
68		nlmvscn.kf	. . . . . 6 ⊢ 𝐾 = (TopOpen‘𝐹)
69	68, 4, 53	mstopn 23703	. . . . 5 ⊢ (𝐹 ∈ MetSp → 𝐾 = (MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))))
70	51, 69	syl 17	. . . 4 ⊢ (𝑊 ∈ NrmMod → 𝐾 = (MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))))
71		nlmvscn.j	. . . . . 6 ⊢ 𝐽 = (TopOpen‘𝑊)
72	71, 2, 60	mstopn 23703	. . . . 5 ⊢ (𝑊 ∈ MetSp → 𝐽 = (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))))
73	58, 72	syl 17	. . . 4 ⊢ (𝑊 ∈ NrmMod → 𝐽 = (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊)))))
74	70, 73	oveq12d 7347	. . 3 ⊢ (𝑊 ∈ NrmMod → (𝐾 ×_t 𝐽) = ((MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) ×_t (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))))
75	74, 73	oveq12d 7347	. 2 ⊢ (𝑊 ∈ NrmMod → ((𝐾 ×_t 𝐽) Cn 𝐽) = (((MetOpen‘((dist‘𝐹) ↾ ((Base‘𝐹) × (Base‘𝐹)))) ×_t (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))) Cn (MetOpen‘((dist‘𝑊) ↾ ((Base‘𝑊) × (Base‘𝑊))))))
76	67, 75	eleqtrrd 2840	1 ⊢ (𝑊 ∈ NrmMod → · ∈ ((𝐾 ×_t 𝐽) Cn 𝐽))

Colors of variables: wff setvar class

Syntax hints: → wi 4 ↔ wb 205 ∧ wa 396 = wceq 1540 ∈ wcel 2105 ∀wral 3061 ∃wrex 3070 class class class wbr 5089 × cxp 5612 ↾ cres 5616 ⟶wf 6469 ‘cfv 6473 (class class class)co 7329 1c1 10965 + caddc 10967 < clt 11102 / cdiv 11725 2c2 12121 ℝ⁺crp 12823 Basecbs 17001 Scalarcsca 17054 ·_𝑠 cvsca 17055 distcds 17060 TopOpenctopn 17221 LModclmod 20221 ·_sf cscaf 20222 ∞Metcxmet 20680 MetOpencmopn 20685 Cn ccn 22473 ×_t ctx 22809 ∞MetSpcxms 23568 MetSpcms 23569 normcnm 23830 NrmGrpcngp 23831 NrmModcnlm 23834

This theorem was proved from axioms: ax-mp 5 ax-1 6 ax-2 7 ax-3 8 ax-gen 1796 ax-4 1810 ax-5 1912 ax-6 1970 ax-7 2010 ax-8 2107 ax-9 2115 ax-10 2136 ax-11 2153 ax-12 2170 ax-ext 2707 ax-rep 5226 ax-sep 5240 ax-nul 5247 ax-pow 5305 ax-pr 5369 ax-un 7642 ax-cnex 11020 ax-resscn 11021 ax-1cn 11022 ax-icn 11023 ax-addcl 11024 ax-addrcl 11025 ax-mulcl 11026 ax-mulrcl 11027 ax-mulcom 11028 ax-addass 11029 ax-mulass 11030 ax-distr 11031 ax-i2m1 11032 ax-1ne0 11033 ax-1rid 11034 ax-rnegex 11035 ax-rrecex 11036 ax-cnre 11037 ax-pre-lttri 11038 ax-pre-lttrn 11039 ax-pre-ltadd 11040 ax-pre-mulgt0 11041 ax-pre-sup 11042

This theorem depends on definitions: df-bi 206 df-an 397 df-or 845 df-3or 1087 df-3an 1088 df-tru 1543 df-fal 1553 df-ex 1781 df-nf 1785 df-sb 2067 df-mo 2538 df-eu 2567 df-clab 2714 df-cleq 2728 df-clel 2814 df-nfc 2886 df-ne 2941 df-nel 3047 df-ral 3062 df-rex 3071 df-rmo 3349 df-reu 3350 df-rab 3404 df-v 3443 df-sbc 3727 df-csb 3843 df-dif 3900 df-un 3902 df-in 3904 df-ss 3914 df-pss 3916 df-nul 4269 df-if 4473 df-pw 4548 df-sn 4573 df-pr 4575 df-tp 4577 df-op 4579 df-uni 4852 df-int 4894 df-iun 4940 df-iin 4941 df-br 5090 df-opab 5152 df-mpt 5173 df-tr 5207 df-id 5512 df-eprel 5518 df-po 5526 df-so 5527 df-fr 5569 df-se 5570 df-we 5571 df-xp 5620 df-rel 5621 df-cnv 5622 df-co 5623 df-dm 5624 df-rn 5625 df-res 5626 df-ima 5627 df-pred 6232 df-ord 6299 df-on 6300 df-lim 6301 df-suc 6302 df-iota 6425 df-fun 6475 df-fn 6476 df-f 6477 df-f1 6478 df-fo 6479 df-f1o 6480 df-fv 6481 df-isom 6482 df-riota 7286 df-ov 7332 df-oprab 7333 df-mpo 7334 df-of 7587 df-om 7773 df-1st 7891 df-2nd 7892 df-supp 8040 df-frecs 8159 df-wrecs 8190 df-recs 8264 df-rdg 8303 df-1o 8359 df-2o 8360 df-er 8561 df-map 8680 df-ixp 8749 df-en 8797 df-dom 8798 df-sdom 8799 df-fin 8800 df-fsupp 9219 df-fi 9260 df-sup 9291 df-inf 9292 df-oi 9359 df-card 9788 df-pnf 11104 df-mnf 11105 df-xr 11106 df-ltxr 11107 df-le 11108 df-sub 11300 df-neg 11301 df-div 11726 df-nn 12067 df-2 12129 df-3 12130 df-4 12131 df-5 12132 df-6 12133 df-7 12134 df-8 12135 df-9 12136 df-n0 12327 df-z 12413 df-dec 12531 df-uz 12676 df-q 12782 df-rp 12824 df-xneg 12941 df-xadd 12942 df-xmul 12943 df-icc 13179 df-fz 13333 df-fzo 13476 df-seq 13815 df-exp 13876 df-hash 14138 df-cj 14901 df-re 14902 df-im 14903 df-sqrt 15037 df-abs 15038 df-struct 16937 df-sets 16954 df-slot 16972 df-ndx 16984 df-base 17002 df-ress 17031 df-plusg 17064 df-mulr 17065 df-sca 17067 df-vsca 17068 df-ip 17069 df-tset 17070 df-ple 17071 df-ds 17073 df-hom 17075 df-cco 17076 df-rest 17222 df-topn 17223 df-0g 17241 df-gsum 17242 df-topgen 17243 df-pt 17244 df-prds 17247 df-xrs 17302 df-qtop 17307 df-imas 17308 df-xps 17310 df-mre 17384 df-mrc 17385 df-acs 17387 df-mgm 18415 df-sgrp 18464 df-mnd 18475 df-submnd 18520 df-grp 18668 df-minusg 18669 df-sbg 18670 df-mulg 18789 df-cntz 19011 df-cmn 19475 df-mgp 19808 df-ur 19825 df-ring 19872 df-lmod 20223 df-scaf 20224 df-psmet 20687 df-xmet 20688 df-met 20689 df-bl 20690 df-mopn 20691 df-top 22141 df-topon 22158 df-topsp 22180 df-bases 22194 df-cn 22476 df-cnp 22477 df-tx 22811 df-hmeo 23004 df-xms 23571 df-ms 23572 df-tms 23573 df-nm 23836 df-ngp 23837 df-nrg 23839 df-nlm 23840

This theorem is referenced by: nrgtrg 23952 nlmtlm 23956

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