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| Mirrors > Home > MPE Home > Th. List > df-ltnq | Structured version Visualization version Unicode version | ||
| Description: Define ordering relation on positive fractions. This is a "temporary" set used in the construction of complex numbers df-c 9942, and is intended to be used only by the construction. Similar to Definition 5 of [Suppes] p. 162. (Contributed by NM, 13-Feb-1996.) (New usage is discouraged.) |
| Ref | Expression |
|---|---|
| df-ltnq |
|
| Step | Hyp | Ref | Expression |
|---|---|---|---|
| 1 | cltq 9680 |
. 2
| |
| 2 | cltpq 9672 |
. . 3
| |
| 3 | cnq 9674 |
. . . 4
| |
| 4 | 3, 3 | cxp 5112 |
. . 3
|
| 5 | 2, 4 | cin 3573 |
. 2
|
| 6 | 1, 5 | wceq 1483 |
1
|
| Colors of variables: wff setvar class |
| This definition is referenced by: ltrelnq 9748 ordpinq 9765 |
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