Informal logic encompasses the principles of logic and logical thought outside of a formal setting (characterized by the usage of particular statements)...

Informal Logic is a peer-reviewed academic journal that deals with multi-disciplinary topics related to reasoning and argumentation; covering both theory...

(2004). "Bayesian Informal Logic and Fallacy". Informal Logic. 24 (1): 41–70. doi:10.22329/il.v24i1.2132. Vleet, Van Jacob E. (2010). Informal Logical Fallacies:...

Walton, Informal logic: A handbook for critical argumentation. Cambridge University Press, 1989. [ISBN missing] Douglas, Walton (1987). Informal Fallacies...

Logic is the study of correct reasoning. It includes both formal and informal logic. Formal logic is the study of deductively valid inferences or logical...

can be categorized as formal or informal fallacies depending on whether they belong to formal or informal logic. Logic has mostly been concerned with definitory...

Philosophy of Logic, London 1979 ff. Informal Logic. Reasoning and Argumentation in Theory and Practice, 1990 ff International Journal of Logic and Computation...

Formal logic Free logic Fuzzy logic Higher-order logic Infinitary logic Informal logic Intensional logic Intermediate logic Interpretability logic Intuitionistic...

studying logical reasoning is called logic. It is divided into formal and informal logic, which study formal and informal logical reasoning. Traditionally...

artificial intelligence. A special issue of the journal Informal Logic surveyed Walton's contributions to informal logic and argumentation theory up to 2006. Walton...

original on 2016-11-21. Retrieved 2016-10-04. Walton, Douglas (2008). Informal Logic: A Pragmatic Approach (2nd ed.). Cambridge University Press. ISBN 9780511408786...

Logic, Semantics, Metamathematics: Papers from 1923 to 1938. Hackett. ISBN 978-0-915-14476-1. Vorobej, Mark (1992). "Defining Deduction". Informal Logic...

logic, sometimes more generally called constructive logic, refers to systems of symbolic logic that differ from the systems used for classical logic by...

Logic programming is a programming, database and knowledge representation paradigm based on formal logic. A logic program is a set of sentences in logical...

Mathematical logic is the study of formal logic within mathematics. Major subareas include model theory, proof theory, set theory, and recursion theory...

formal logic (historically called symbolic logic, more commonly referred to as mathematical logic today) and are expressed in a formal language. Informal logic...

Monographs, Informal Logic, Journal of the American Forensics Association, Argumentation, Social Epistemology and the Quarterly Journal of Speech. He...

theory, and ancient Greek philosophy. Tindale is an editor of the journal Informal Logic, and currently serves as the chair of the Centre for Research in...

for logic in general since it is needed to establish a link between many forms of reasoning and abstract logical systems. The use of informal logic is...

Keith Burgess-Jackson) Informal Logic, Macmillan. 1948: "Matrix development of the calculus of relations", Journal of Symbolic Logic 13(4): 193–203 Jstor...

Understood in a narrow sense, philosophical logic is the area of logic that studies the application of logical methods to philosophical problems, often...

Modal logic is a kind of logic used to represent statements about necessity and possibility. In philosophy and related fields it is used as a tool for...

description logics and there is an informal naming convention, roughly describing the operators allowed. The expressivity is encoded in the label for a logic starting...

Paraconsistent logic is a type of non-classical logic that allows for the coexistence of contradictory statements without leading to a logical explosion...

Context Informal Logic Argumentation and Advocacy (formerly Journal of the American Forensic Association) Social Epistemology Episteme: A Journal of Social...

In quantified modal logic, the Barcan formula and the converse Barcan formula (more accurately, schemata rather than formulas) (i) syntactically state...

Douglas (2001). "Abductive, presumptive and plausible arguments". Informal Logic. 21 (2): 141–169. CiteSeerX 10.1.1.127.1593. doi:10.22329/il.v21i2.2241...

First-order logic, also called predicate logic, predicate calculus, or quantificational logic, is a collection of formal systems used in mathematics,...

theorem-proving technique for sentences in propositional logic and first-order logic. For propositional logic, systematically applying the resolution rule acts...

marry a woman who is not a virgin. This closed logic loop clearly illustrated Catch-22 because by her logic, all men who refuse to marry her are sane and...