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Mirrors > Home > ILE Home > Th. List > df-q | Unicode version |
Description: Define the set of rational numbers. Based on definition of rationals in [Apostol] p. 22. See elq 9568 for the relation "is rational". (Contributed by NM, 8-Jan-2002.) |
Ref | Expression |
---|---|
df-q |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cq 9565 | . 2 | |
2 | cdiv 8576 | . . 3 | |
3 | cz 9199 | . . . 4 | |
4 | cn 8865 | . . . 4 | |
5 | 3, 4 | cxp 4607 | . . 3 |
6 | 2, 5 | cima 4612 | . 2 |
7 | 1, 6 | wceq 1348 | 1 |
Colors of variables: wff set class |
This definition is referenced by: elq 9568 qnnen 12373 |
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