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Mirrors > Home > MPE Home > Th. List > df-m1r | Structured version Visualization version Unicode version |
Description: Define signed real constant -1. 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. (Contributed by NM, 9-Aug-1995.) (New usage is discouraged.) |
Ref | Expression |
---|---|
df-m1r |
Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cm1r 9690 | . 2 | |
2 | c1p 9682 | . . . 4 | |
3 | cpp 9683 | . . . . 5 | |
4 | 2, 2, 3 | co 6650 | . . . 4 |
5 | 2, 4 | cop 4183 | . . 3 |
6 | cer 9686 | . . 3 | |
7 | 5, 6 | cec 7740 | . 2 |
8 | 1, 7 | wceq 1483 | 1 |
Colors of variables: wff setvar class |
This definition is referenced by: m1r 9903 m1p1sr 9913 m1m1sr 9914 mappsrpr 9929 map2psrpr 9931 |
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