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Definition df-bl 16375
 Description: Define the metric space ball function. See blval 17948 for its value. (Contributed by NM, 30-Aug-2006.)
Assertion
Ref Expression
df-bl
Distinct variable group:   ,,,

Detailed syntax breakdown of Definition df-bl
StepHypRef Expression
1 cbl 16371 . 2
2 vd . . 3
3 cxmt 16369 . . . . 5
43crn 4690 . . . 4
54cuni 3827 . . 3
6 vx . . . 4
7 vz . . . 4
82cv 1622 . . . . . 6
98cdm 4689 . . . . 5
109cdm 4689 . . . 4
11 cxr 8866 . . . 4
126cv 1622 . . . . . . 7
13 vy . . . . . . . 8
1413cv 1622 . . . . . . 7
1512, 14, 8co 5858 . . . . . 6
167cv 1622 . . . . . 6
17 clt 8867 . . . . . 6
1815, 16, 17wbr 4023 . . . . 5
1918, 13, 10crab 2547 . . . 4
206, 7, 10, 11, 19cmpt2 5860 . . 3
212, 5, 20cmpt 4077 . 2
221, 21wceq 1623 1
 Colors of variables: wff set class This definition is referenced by:  blfval  17947
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