not+formal
31Formal grammar — In formal semantics, computer science and linguistics, a formal grammar (also called formation rules) is a precise description of a formal language ndash; that is, of a set of strings over some alphabet. In other words, a grammar describes which… …
32Formal — The term formal has a number of uses, including:General*relating to formality *opposite of informalocial* Formal occasion ** Formal attire worn on such occasions ** Formals are particular meals at some British universities ** In Australian or… …
33Formal group — In mathematics, a formal group law is (roughly speaking) a formal power series behaving as if it were the product of a Lie group. They were first defined in 1946 by S. Bochner. The term formal group sometimes means the same as formal group law,… …
34Formal methods — In computer science and software engineering, formal methods are particular kind of mathematically based techniques for the specification, development and verification of software and hardware systems.cite web|author=R. W. Butler|title=What is… …
35Formal system — In formal logic, a formal system (also called a logical system,Audi, Robert (Editor). The Cambridge Dictionary of Philosophy . Second edition, Cambridge University Press, 1999. ISBN 978 0521631365 (hardcover) and ISBN 978 0521637220 (paperback).] …
36Formal ontology — A Formal ontology is an ontology with a structure that is guided and defined through axioms. The goal of a formal ontology is to provide an unbiased (domain and application independent) view on reality. Formal ontologies are founded upon a… …
37formal — 01. Dress for this evening is [formal]: shirts and ties for the men, dresses for women. 02. He felt a bit strange at the party because he was dressed [formally], and everyone else was wearing jeans. 03. Your marks are so high that you have… …
38Formal wear — Western dress codes Formal wear Formal Semi formal Informal Smart casual Business casual Casual Active attire Formal wear (US, Canada) and formal dress (UK, Australia, New Zealand, and other Commonwealth Realms) are the general terms for clothing …
39Formal proof — See also: mathematical proof, proof theory, and axiomatic system A formal proof or derivation is a finite sequence of sentences (called well formed formulas in the case of a formal language) each of which is an axiom or follows from the… …
40Formal fallacy — In philosophy, a formal fallacy or a logical fallacy is a pattern of reasoning which is always wrong. This is due to a flaw in the structure of the argument which renders the argument invalid. A formal fallacy is contrasted with an informal… …
