- informal logic
-
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.
Wikipedia foundation.
informal logic
Look at other dictionaries:
Informal logic — (or, occasionally, non formal logic) is the study of arguments as presented in ordinary language, as contrasted with the presentations of arguments in an artificial, formal, or technical language (see formal logic ). Informal logic emerged in… … Wikipedia
Logic (disambiguation) — Logic is the study of the principles and criteria of valid inference and demonstration.Logic may also refer to:In logic and mathematics*A branch of logic: **Inductive logic, also called induction or inductive reasoning **Informal logic, the study … Wikipedia
Logic — For other uses, see Logic (disambiguation). Philosophy … Wikipedia
Informal mathematics — Informal mathematics, also called naïve mathematics, has historically been the predominant form of mathematics at most times and in most cultures, and is the subject of modern ethno cultural studies of mathematics. The philosopher Imre Lakatos in … Wikipedia
informal — mid 15c., lacking form; not in accordance with the rules of formal logic, from IN (Cf. in ) (1) not, opposite of + FORMAL (Cf. formal). Meaning irregular, unofficial is from c.1600. Sense of done without ceremony is from 1828. Related: Informally … Etymology dictionary
logic, philosophy of — Philosophical study of the nature and scope of logic. Examples of questions raised in the philosophy of logic are: In virtue of what features of reality are the laws of logic true? ; How do we know the truths of logic? ; and Could the laws of… … Universalium
logic, history of — Introduction the history of the discipline from its origins among the ancient Greeks to the present time. Origins of logic in the West Precursors of ancient logic There was a medieval tradition according to which the Greek philosopher … Universalium
Informal fallacy — An informal fallacy is an argument whose stated premises fail to support their proposed conclusion. [Kelley, D. (1994) The Art of Reasoning . W W Norton amp; Company, Inc. ISBN 0 393 96466 3] The deviation in an informal fallacy often stems from… … Wikipedia
logic — noun 1) this case appears to defy all logic Syn: reason, judgment, logical thought, rationality, wisdom, sense, good sense, common sense, sanity; informal horse sense 2) the logic of their argument Syn: reasoning … Thesaurus of popular words
informal fallacy — noun A fallacy whose error cannot be represented by the symbols used in formal logic. Ant: formal fallacy … Wiktionary
