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Mirrors > Home > ILE Home > Th. List > df-rp | Unicode version |
Description: Define the set of positive reals. Definition of positive numbers in [Apostol] p. 20. (Contributed by NM, 27-Oct-2007.) |
Ref | Expression |
---|---|
df-rp |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | crp 9652 |
. 2
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2 | cc0 7810 |
. . . 4
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3 | vx |
. . . . 5
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4 | 3 | cv 1352 |
. . . 4
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5 | clt 7991 |
. . . 4
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6 | 2, 4, 5 | wbr 4003 |
. . 3
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7 | cr 7809 |
. . 3
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8 | 6, 3, 7 | crab 2459 |
. 2
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9 | 1, 8 | wceq 1353 |
1
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Colors of variables: wff set class |
This definition is referenced by: elrp 9654 rpre 9659 ioorp 9950 |
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