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Mathbox for Jeff Madsen |
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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-totbnd | Structured version Visualization version Unicode version |
Description: Define the class of totally bounded metrics. A metric space is totally bounded iff it can be covered by a finite number of balls of any given radius. (Contributed by Jeff Madsen, 2-Sep-2009.) |
Ref | Expression |
---|---|
df-totbnd |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | ctotbnd 33565 |
. 2
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2 | vx |
. . 3
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3 | cvv 3200 |
. . 3
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4 | vv |
. . . . . . . . . 10
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5 | 4 | cv 1482 |
. . . . . . . . 9
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6 | 5 | cuni 4436 |
. . . . . . . 8
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7 | 2 | cv 1482 |
. . . . . . . 8
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8 | 6, 7 | wceq 1483 |
. . . . . . 7
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9 | vb |
. . . . . . . . . . 11
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10 | 9 | cv 1482 |
. . . . . . . . . 10
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11 | vy |
. . . . . . . . . . . 12
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12 | 11 | cv 1482 |
. . . . . . . . . . 11
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13 | vd |
. . . . . . . . . . . 12
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14 | 13 | cv 1482 |
. . . . . . . . . . 11
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15 | vm |
. . . . . . . . . . . . 13
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16 | 15 | cv 1482 |
. . . . . . . . . . . 12
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17 | cbl 19733 |
. . . . . . . . . . . 12
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18 | 16, 17 | cfv 5888 |
. . . . . . . . . . 11
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19 | 12, 14, 18 | co 6650 |
. . . . . . . . . 10
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20 | 10, 19 | wceq 1483 |
. . . . . . . . 9
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21 | 20, 11, 7 | wrex 2913 |
. . . . . . . 8
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22 | 21, 9, 5 | wral 2912 |
. . . . . . 7
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23 | 8, 22 | wa 384 |
. . . . . 6
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24 | cfn 7955 |
. . . . . 6
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25 | 23, 4, 24 | wrex 2913 |
. . . . 5
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26 | crp 11832 |
. . . . 5
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27 | 25, 13, 26 | wral 2912 |
. . . 4
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28 | cme 19732 |
. . . . 5
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29 | 7, 28 | cfv 5888 |
. . . 4
![]() ![]() ![]() ![]() ![]() ![]() |
30 | 27, 15, 29 | crab 2916 |
. . 3
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31 | 2, 3, 30 | cmpt 4729 |
. 2
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32 | 1, 31 | wceq 1483 |
1
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Colors of variables: wff setvar class |
This definition is referenced by: istotbnd 33568 |
Copyright terms: Public domain | W3C validator |