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Mirrors > Home > ILE Home > Th. List > df-nq0 | Unicode version |
Description: Define class of nonnegative 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 7264 |
. 2
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2 | com 4585 |
. . . 4
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3 | cnpi 7249 |
. . . 4
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4 | 2, 3 | cxp 4620 |
. . 3
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5 | ceq0 7263 |
. . 3
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6 | 4, 5 | cqs 6527 |
. 2
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7 | 1, 6 | wceq 1353 |
1
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Colors of variables: wff set class |
This definition is referenced by: dfmq0qs 7406 dfplq0qs 7407 nq0ex 7417 nqnq0 7418 nq0nn 7419 addclnq0 7428 mulclnq0 7429 distrnq0 7436 mulcomnq0 7437 addassnq0 7439 prarloclemcalc 7479 |
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