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Mirrors > Home > MPE Home > Th. List > df-locfin | Structured version Visualization version Unicode version |
Description: Define "locally finite." (Contributed by Jeff Hankins, 21-Jan-2010.) (Revised by Thierry Arnoux, 3-Feb-2020.) |
Ref | Expression |
---|---|
df-locfin |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | clocfin 21307 | . 2 | |
2 | vx | . . 3 | |
3 | ctop 20698 | . . 3 | |
4 | 2 | cv 1482 | . . . . . . 7 |
5 | 4 | cuni 4436 | . . . . . 6 |
6 | vy | . . . . . . . 8 | |
7 | 6 | cv 1482 | . . . . . . 7 |
8 | 7 | cuni 4436 | . . . . . 6 |
9 | 5, 8 | wceq 1483 | . . . . 5 |
10 | vp | . . . . . . . . 9 | |
11 | vn | . . . . . . . . 9 | |
12 | 10, 11 | wel 1991 | . . . . . . . 8 |
13 | vs | . . . . . . . . . . . . 13 | |
14 | 13 | cv 1482 | . . . . . . . . . . . 12 |
15 | 11 | cv 1482 | . . . . . . . . . . . 12 |
16 | 14, 15 | cin 3573 | . . . . . . . . . . 11 |
17 | c0 3915 | . . . . . . . . . . 11 | |
18 | 16, 17 | wne 2794 | . . . . . . . . . 10 |
19 | 18, 13, 7 | crab 2916 | . . . . . . . . 9 |
20 | cfn 7955 | . . . . . . . . 9 | |
21 | 19, 20 | wcel 1990 | . . . . . . . 8 |
22 | 12, 21 | wa 384 | . . . . . . 7 |
23 | 22, 11, 4 | wrex 2913 | . . . . . 6 |
24 | 23, 10, 5 | wral 2912 | . . . . 5 |
25 | 9, 24 | wa 384 | . . . 4 |
26 | 25, 6 | cab 2608 | . . 3 |
27 | 2, 3, 26 | cmpt 4729 | . 2 |
28 | 1, 27 | wceq 1483 | 1 |
Colors of variables: wff setvar class |
This definition is referenced by: islocfin 21320 |
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