| 单词 | positive logic |
| 释义 | > as lemmaspositive logic positive logic n. (a) [after German positive Logik ( D. Hilbert & P. Bernays Grundlagen der Math. (1934) I. iii. 68)] , a system of formal logic which dispenses with the operation of negation; (b) a method of representing binary numbers using electrical signals, in which the larger or most positive signal is taken as representing 1 and the smaller signal 0. ΘΚΠ society > computing and information technology > [noun] > logic > types of positive logic1943 threshold logic1947 diode-transistor logic1960 transistor-transistor-logic1962 the mind > mental capacity > philosophy > logic > [noun] > positive logic positive logic1943 1943 Mind 52 49 Of other ‘rudimentary systems’ I mention only the so-called positive logic, which does not operate with negations. 1955 A. N. Prior Formal Logic iii. ii. 258 This segment of Heyting's calculus forming what Hilbert and Bernays have called ‘positive logic’. 1958 Proc. IRE 46 1249 In the following discussion, positive logic is used. A binary ‘1’ is defined as the most positive signal potential, and a binary ‘0’ as the most negative. 1976 C. Belove & M. M. Drossman Syst. & Circuits for Electr. Engin. Technol. xiii. 325 We shall use the positive logic convention whereby a relatively low voltage represents logical 0 and a relatively high voltage represents logical 1. 1992 RS Components: Electronic & Electr. Products July 846/3 Power Line Modem IC NE5050 N..The modem's transmitter section consists of a Colpitts oscillator, a positive logic, carrier on/off switch, and a line driver. < as lemmas |
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