Definition df-tms 12882

Description: Define the function mapping a metric to the metric space which it defines. (Contributed by Mario Carneiro, 2-Sep-2015.)

Assertion

Ref	Expression
df-tms	⊢ toMetSp = (𝑑 ∈ ∪ ran ∞Met ↦ ({⟨(Base‘ndx), dom dom 𝑑⟩, ⟨(dist‘ndx), 𝑑⟩} sSet ⟨(TopSet‘ndx), (MetOpen‘𝑑)⟩))

Detailed syntax breakdown of Definition df-tms

Step	Hyp	Ref	Expression
1		ctms 12879	. 2 class toMetSp
2		vd	. . 3 setvar 𝑑
3		cxmet 12521	. . . . 5 class ∞Met
4	3	crn 4599	. . . 4 class ran ∞Met
5	4	cuni 3783	. . 3 class ∪ ran ∞Met
6		cnx 12328	. . . . . . 7 class ndx
7		cbs 12331	. . . . . . 7 class Base
8	6, 7	cfv 5182	. . . . . 6 class (Base‘ndx)
9	2	cv 1341	. . . . . . . 8 class 𝑑
10	9	cdm 4598	. . . . . . 7 class dom 𝑑
11	10	cdm 4598	. . . . . 6 class dom dom 𝑑
12	8, 11	cop 3573	. . . . 5 class ⟨(Base‘ndx), dom dom 𝑑⟩
13		cds 12402	. . . . . . 7 class dist
14	6, 13	cfv 5182	. . . . . 6 class (dist‘ndx)
15	14, 9	cop 3573	. . . . 5 class ⟨(dist‘ndx), 𝑑⟩
16	12, 15	cpr 3571	. . . 4 class {⟨(Base‘ndx), dom dom 𝑑⟩, ⟨(dist‘ndx), 𝑑⟩}
17		cts 12399	. . . . . 6 class TopSet
18	6, 17	cfv 5182	. . . . 5 class (TopSet‘ndx)
19		cmopn 12526	. . . . . 6 class MetOpen
20	9, 19	cfv 5182	. . . . 5 class (MetOpen‘𝑑)
21	18, 20	cop 3573	. . . 4 class ⟨(TopSet‘ndx), (MetOpen‘𝑑)⟩
22		csts 12329	. . . 4 class sSet
23	16, 21, 22	co 5836	. . 3 class ({⟨(Base‘ndx), dom dom 𝑑⟩, ⟨(dist‘ndx), 𝑑⟩} sSet ⟨(TopSet‘ndx), (MetOpen‘𝑑)⟩)
24	2, 5, 23	cmpt 4037	. 2 class (𝑑 ∈ ∪ ran ∞Met ↦ ({⟨(Base‘ndx), dom dom 𝑑⟩, ⟨(dist‘ndx), 𝑑⟩} sSet ⟨(TopSet‘ndx), (MetOpen‘𝑑)⟩))
25	1, 24	wceq 1342	1 wff toMetSp = (𝑑 ∈ ∪ ran ∞Met ↦ ({⟨(Base‘ndx), dom dom 𝑑⟩, ⟨(dist‘ndx), 𝑑⟩} sSet ⟨(TopSet‘ndx), (MetOpen‘𝑑)⟩))

This definition is referenced by: (None)