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Mirrors > Home > MPE Home > Th. List > Mathboxes > df-right | Structured version Visualization version Unicode version |
Description: Define the left options of a surreal. This is the set of surreals that are "closest" on the right to the given surreal. (Contributed by Scott Fenton, 17-Dec-2021.) |
Ref | Expression |
---|---|
df-right | R O |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cright 31929 | . 2 R | |
2 | vx | . . 3 | |
3 | csur 31793 | . . 3 | |
4 | 2 | cv 1482 | . . . . . . . 8 |
5 | vz | . . . . . . . . 9 | |
6 | 5 | cv 1482 | . . . . . . . 8 |
7 | cslt 31794 | . . . . . . . 8 | |
8 | 4, 6, 7 | wbr 4653 | . . . . . . 7 |
9 | vy | . . . . . . . . 9 | |
10 | 9 | cv 1482 | . . . . . . . 8 |
11 | 6, 10, 7 | wbr 4653 | . . . . . . 7 |
12 | 8, 11 | wa 384 | . . . . . 6 |
13 | cbday 31795 | . . . . . . . 8 | |
14 | 10, 13 | cfv 5888 | . . . . . . 7 |
15 | 6, 13 | cfv 5888 | . . . . . . 7 |
16 | 14, 15 | wcel 1990 | . . . . . 6 |
17 | 12, 16 | wi 4 | . . . . 5 |
18 | 17, 5, 3 | wral 2912 | . . . 4 |
19 | 4, 13 | cfv 5888 | . . . . 5 |
20 | cold 31926 | . . . . 5 O | |
21 | 19, 20 | cfv 5888 | . . . 4 O |
22 | 18, 9, 21 | crab 2916 | . . 3 O |
23 | 2, 3, 22 | cmpt 4729 | . 2 O |
24 | 1, 23 | wceq 1483 | 1 R O |
Colors of variables: wff setvar class |
This definition is referenced by: (None) |
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