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Mirrors > Home > ILE Home > Th. List > df-nq0 | Unicode version |
Description: Define class of non-negative fractions. 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, 2-Nov-2019.) |
Ref | Expression |
---|---|
df-nq0 |
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Step | Hyp | Ref | Expression |
---|---|---|---|
1 | cnq0 6271 |
. 2
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2 | com 4256 |
. . . 4
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3 | cnpi 6256 |
. . . 4
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4 | 2, 3 | cxp 4286 |
. . 3
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5 | ceq0 6270 |
. . 3
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6 | 4, 5 | cqs 6041 |
. 2
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7 | 1, 6 | wceq 1242 |
1
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Colors of variables: wff set class |
This definition is referenced by: dfmq0qs 6412 dfplq0qs 6413 nq0ex 6423 nqnq0 6424 nq0nn 6425 addclnq0 6434 mulclnq0 6435 distrnq0 6442 mulcomnq0 6443 addassnq0 6445 prarloclemcalc 6485 |
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