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Mirrors > Home > ILE Home > Th. List > df-i1p | Unicode version |
Description: Define the positive real constant 1. This is a "temporary" set used in the construction of complex numbers and is intended to be used only by the construction. (Contributed by Jim Kingdon, 25-Sep-2019.) |
Ref | Expression |
---|---|
df-i1p |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | c1p 6390 |
. 2
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2 | vl |
. . . . . 6
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3 | 2 | cv 1242 |
. . . . 5
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4 | c1q 6379 |
. . . . 5
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5 | cltq 6383 |
. . . . 5
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6 | 3, 4, 5 | wbr 3764 |
. . . 4
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7 | 6, 2 | cab 2026 |
. . 3
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8 | vu |
. . . . . 6
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9 | 8 | cv 1242 |
. . . . 5
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10 | 4, 9, 5 | wbr 3764 |
. . . 4
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11 | 10, 8 | cab 2026 |
. . 3
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12 | 7, 11 | cop 3378 |
. 2
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13 | 1, 12 | wceq 1243 |
1
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Colors of variables: wff set class |
This definition is referenced by: 1pr 6652 1prl 6653 1pru 6654 addnqpr1 6660 caucvgsr 6886 pitonnlem1 6921 recidpipr 6932 nntopi 6968 |
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