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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 9545, and is intended to be used only by the construction. (Contributed by NM, 9-Aug-1995.) (New usage is discouraged.) |
Ref | Expression |
---|---|
df-m1r |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cm1r 9293 |
. 2
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2 | c1p 9285 |
. . . 4
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3 | cpp 9286 |
. . . . 5
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4 | 2, 2, 3 | co 6290 |
. . . 4
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5 | 2, 4 | cop 3974 |
. . 3
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6 | cer 9289 |
. . 3
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7 | 5, 6 | cec 7361 |
. 2
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8 | 1, 7 | wceq 1444 |
1
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Colors of variables: wff setvar class |
This definition is referenced by: m1r 9506 m1p1sr 9516 m1m1sr 9517 mappsrpr 9532 map2psrpr 9534 |
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