(mathematics) A form of reasoning, derived from fuzzy set theory, whereby a truth value need not be exactly zero (false) or one (true), but rather can be zero, one, or any value in between.

(computing, mathematics) a formal theory of computability

A piece of code intentionally inserted into a software system that will set off a malicious function when specified conditions are met.

(mathematics, logic, computing) A system of symbolic logic that is the basis of Boolean algebra

(logic) A formal system of deductive logic in which aspects and relationships of natural language are represented by a system of symbols.

That branch of logic whose task is to develop non-formal standards, criteria, procedures for the analysis, interpretation, evaluation, criticism and construction of argumentation in everyday discourse.

(computing) A technique for describing and drawing electrical logic schematics

A system of mathematical logic in which there are three truth values.

Alternative form of logical fallacy

A device used to test and diagnose digital electronic systems.