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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-dde | Structured version Visualization version Unicode version |
Description: Define the Dirac delta measure. (Contributed by Thierry Arnoux, 14-Sep-2018.) |
Ref | Expression |
---|---|
df-dde | δ |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cdde 30295 | . 2 δ | |
2 | va | . . 3 | |
3 | cr 9935 | . . . 4 | |
4 | 3 | cpw 4158 | . . 3 |
5 | cc0 9936 | . . . . 5 | |
6 | 2 | cv 1482 | . . . . 5 |
7 | 5, 6 | wcel 1990 | . . . 4 |
8 | c1 9937 | . . . 4 | |
9 | 7, 8, 5 | cif 4086 | . . 3 |
10 | 2, 4, 9 | cmpt 4729 | . 2 |
11 | 1, 10 | wceq 1483 | 1 δ |
Colors of variables: wff setvar class |
This definition is referenced by: ddeval1 30297 ddeval0 30298 ddemeas 30299 |
Copyright terms: Public domain | W3C validator |