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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-wlim | Structured version Visualization version Unicode version |
Description: Define the class of limit points of a well-founded set. (Contributed by Scott Fenton, 15-Jun-2018.) (Revised by AV, 10-Oct-2021.) |
Ref | Expression |
---|---|
df-wlim | WLim inf |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cA | . . 3 | |
2 | cR | . . 3 | |
3 | 1, 2 | cwlim 31754 | . 2 WLim |
4 | vx | . . . . . 6 | |
5 | 4 | cv 1482 | . . . . 5 |
6 | 1, 1, 2 | cinf 8347 | . . . . 5 inf |
7 | 5, 6 | wne 2794 | . . . 4 inf |
8 | 1, 2, 5 | cpred 5679 | . . . . . 6 |
9 | 8, 1, 2 | csup 8346 | . . . . 5 |
10 | 5, 9 | wceq 1483 | . . . 4 |
11 | 7, 10 | wa 384 | . . 3 inf |
12 | 11, 4, 1 | crab 2916 | . 2 inf |
13 | 3, 12 | wceq 1483 | 1 WLim inf |
Colors of variables: wff setvar class |
This definition is referenced by: wlimeq12 31765 nfwlim 31768 elwlim 31769 wlimss 31778 |
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