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Mirrors > Home > ILE Home > Th. List > df-cc | Unicode version |
Description: The expression CCHOICE will be used as a readable shorthand for any form of countable choice, analogous to df-ac 7153 for full choice. (Contributed by Jim Kingdon, 27-Nov-2023.) |
Ref | Expression |
---|---|
df-cc | CCHOICE |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | wacc 7194 | . 2 CCHOICE | |
2 | vx | . . . . . . 7 | |
3 | 2 | cv 1341 | . . . . . 6 |
4 | 3 | cdm 4598 | . . . . 5 |
5 | com 4561 | . . . . 5 | |
6 | cen 6695 | . . . . 5 | |
7 | 4, 5, 6 | wbr 3976 | . . . 4 |
8 | vf | . . . . . . . 8 | |
9 | 8 | cv 1341 | . . . . . . 7 |
10 | 9, 3 | wss 3111 | . . . . . 6 |
11 | 9, 4 | wfn 5177 | . . . . . 6 |
12 | 10, 11 | wa 103 | . . . . 5 |
13 | 12, 8 | wex 1479 | . . . 4 |
14 | 7, 13 | wi 4 | . . 3 |
15 | 14, 2 | wal 1340 | . 2 |
16 | 1, 15 | wb 104 | 1 CCHOICE |
Colors of variables: wff set class |
This definition is referenced by: ccfunen 7196 |
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