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Mirrors > Home > MPE Home > Th. List > df-usp | Structured version Visualization version Unicode version |
Description: Definition of a uniform space, i.e. a base set with an uniform structure and its induced topology. Derived from definition 3 of [BourbakiTop1] p. II.4. (Contributed by Thierry Arnoux, 17-Nov-2017.) |
Ref | Expression |
---|---|
df-usp | UnifSp UnifSt UnifOn unifTopUnifSt |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cusp 22058 | . 2 UnifSp | |
2 | vf | . . . . . . 7 | |
3 | 2 | cv 1482 | . . . . . 6 |
4 | cuss 22057 | . . . . . 6 UnifSt | |
5 | 3, 4 | cfv 5888 | . . . . 5 UnifSt |
6 | cbs 15857 | . . . . . . 7 | |
7 | 3, 6 | cfv 5888 | . . . . . 6 |
8 | cust 22003 | . . . . . 6 UnifOn | |
9 | 7, 8 | cfv 5888 | . . . . 5 UnifOn |
10 | 5, 9 | wcel 1990 | . . . 4 UnifSt UnifOn |
11 | ctopn 16082 | . . . . . 6 | |
12 | 3, 11 | cfv 5888 | . . . . 5 |
13 | cutop 22034 | . . . . . 6 unifTop | |
14 | 5, 13 | cfv 5888 | . . . . 5 unifTopUnifSt |
15 | 12, 14 | wceq 1483 | . . . 4 unifTopUnifSt |
16 | 10, 15 | wa 384 | . . 3 UnifSt UnifOn unifTopUnifSt |
17 | 16, 2 | cab 2608 | . 2 UnifSt UnifOn unifTopUnifSt |
18 | 1, 17 | wceq 1483 | 1 UnifSp UnifSt UnifOn unifTopUnifSt |
Colors of variables: wff setvar class |
This definition is referenced by: isusp 22065 |
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