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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-sitm | Structured version Visualization version Unicode version |
Description: Define the integral metric for simple functions, as the integral of the distances between the function values. Since distances take nonnegative values in , the range structure for this integral is ↾s . See definition 2.3.1 of [Bogachev] p. 116. (Contributed by Thierry Arnoux, 22-Oct-2017.) |
Ref | Expression |
---|---|
df-sitm | sitm measures sitg sitg ↾s sitg |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | csitm 30390 | . 2 sitm | |
2 | vw | . . 3 | |
3 | vm | . . 3 | |
4 | cvv 3200 | . . 3 | |
5 | cmeas 30258 | . . . . 5 measures | |
6 | 5 | crn 5115 | . . . 4 measures |
7 | 6 | cuni 4436 | . . 3 measures |
8 | vf | . . . 4 | |
9 | vg | . . . 4 | |
10 | 2 | cv 1482 | . . . . . 6 |
11 | 3 | cv 1482 | . . . . . 6 |
12 | csitg 30391 | . . . . . 6 sitg | |
13 | 10, 11, 12 | co 6650 | . . . . 5 sitg |
14 | 13 | cdm 5114 | . . . 4 sitg |
15 | 8 | cv 1482 | . . . . . 6 |
16 | 9 | cv 1482 | . . . . . 6 |
17 | cds 15950 | . . . . . . . 8 | |
18 | 10, 17 | cfv 5888 | . . . . . . 7 |
19 | 18 | cof 6895 | . . . . . 6 |
20 | 15, 16, 19 | co 6650 | . . . . 5 |
21 | cxrs 16160 | . . . . . . 7 | |
22 | cc0 9936 | . . . . . . . 8 | |
23 | cpnf 10071 | . . . . . . . 8 | |
24 | cicc 12178 | . . . . . . . 8 | |
25 | 22, 23, 24 | co 6650 | . . . . . . 7 |
26 | cress 15858 | . . . . . . 7 ↾s | |
27 | 21, 25, 26 | co 6650 | . . . . . 6 ↾s |
28 | 27, 11, 12 | co 6650 | . . . . 5 ↾s sitg |
29 | 20, 28 | cfv 5888 | . . . 4 ↾s sitg |
30 | 8, 9, 14, 14, 29 | cmpt2 6652 | . . 3 sitg sitg ↾s sitg |
31 | 2, 3, 4, 7, 30 | cmpt2 6652 | . 2 measures sitg sitg ↾s sitg |
32 | 1, 31 | wceq 1483 | 1 sitm measures sitg sitg ↾s sitg |
Colors of variables: wff setvar class |
This definition is referenced by: sitmval 30411 |
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