decidability problem
81Chrysippus — This article is about the philosopher. For other people named Chrysippus, see Chrysippus (disambiguation). Chrysippus of Soli Roman copy of a Hellenistic bust of Chrysippus, British Museum Full name Chrysippus of Soli Born c. 279 BC …
82Begging the question — Bust of Aristotle, whose Prior Analytics contained an early discussion of this fallacy. Begging the question (or petitio principii, assuming the initial point ) is a type of logical fallacy in which the proposition to be proven is assumed… …
83Reference — For help in citing references, see Wikipedia:Citing sources. For the Wikipedia Reference Desk, see Wikipedia:Reference desk. Reference is derived from Middle English referren, from Middle French rèférer, from Latin referre, to carry back , formed …
84Recursive language — This article is about a class of formal languages as they are studied in mathematics and theoretical computer science. For computer languages that allow a function to call itself recursively, see Recursion (computer science). In mathematics,… …
85Fact — For other uses, see Fact (disambiguation). A fact (derived from the Latin Factum, see below) is something that has really occurred or is actually the case. The usual test for a statement of fact is verifiability, that is whether it can be shown… …
86Nyaya — Part of a series on Hindu philosophy …
87Abstract interpretation — In computer science, abstract interpretation is a theory of sound approximation of the semantics of computer programs, based on monotonic functions over ordered sets, especially lattices. It can be viewed as a partial execution of a computer… …
88Mathematical proof — In mathematics, a proof is a convincing demonstration (within the accepted standards of the field) that some mathematical statement is necessarily true.[1][2] Proofs are obtained from deductive reasoning, rather than from inductive or empirical… …
89Pi-calculus — In theoretical computer science, the pi calculus is a process calculus originally developed by Robin Milner, Joachim Parrow and David Walker as a continuation of work on the process calculus CCS (Calculus of Communicating Systems). The aim of the …
90Rigour — For the medical term, see Rigor (medicine). For the sign of death, see Rigor mortis. Rigour or rigor (see spelling differences) has a number of meanings in relation to intellectual life and discourse. These are separate from public and political… …
