positive logic
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Logic gate — A logic gate is an idealized or physical device implementing a Boolean function, that is, it performs a logical operation on one or more logic inputs and produces a single logic output. Depending on the context, the term may refer to an ideal… … Wikipedia
Logic and the philosophy of mathematics in the nineteenth century — John Stillwell INTRODUCTION In its history of over two thousand years, mathematics has seldom been disturbed by philosophical disputes. Ever since Plato, who is said to have put the slogan ‘Let no one who is not a geometer enter here’ over the… … History of philosophy
Positive emitter-coupled logic — Positive emitter coupled logic, or PECL, is a further development of the emitter coupled logic (ECL) technology and requires a positive 5V supply instead of a negative 5V supply. The Low voltage positive emitter coupled logic (LVPECL) is an… … Wikipedia
Positive train control — (PTC) is a system of monitoring and controlling train movements to provide increased safety.OverviewThe main concept in PTC is that the train receives information about its location and where it is allowed to safely travel. Equipment on board the … Wikipedia
Logic programming — is, in its broadest sense, the use of mathematical logic for computer programming. In this view of logic programming, which can be traced at least as far back as John McCarthy s [1958] advice taker proposal, logic is used as a purely declarative… … Wikipedia
Logic simulation — is the use of a computer program to simulate the operation of a digital circuit. Logic simulation is the primary tool used for verifying the logical correctness of a hardware design. In many cases logic simulation is the first activity performed… … Wikipedia
Logic as a Positive Science — is one of the major works of Italian Marxist philosopher Galvano Della Volpe. It was first published in 1950 as Logica come Scienza positiva . A second edition appeared in 1956 and according to translator, Jon Rothschild, Della Volpe was… … Wikipedia
Logic Theorist — is a computer program written in 1955 and 1956 by Alan Newell, Herbert Simon and J. C. Shaw. It was the first program deliberately engineered to mimic the problem solving skills of a human being and is called the first artificial intelligence… … Wikipedia
Positive feedback — Alarm or panic can spread by positive feedback among a herd of animals to cause a stampede. Positive feedback is energy taken from the output of a system and reapplied to the input, which is phase congruent with the input signal. A system… … Wikipedia
Logic family — In computer engineering, a logic family may refer to one of two related concepts. A logic family of monolithic digital integrated circuit devices is a group of electronic logic gates constructed using one of several different designs, usually… … Wikipedia
