cogency
81Averroes — Ibn Rušd (ابن رشد) Averroes Statue of Averroes in Cordoba Full name ʾAbū l Walīd Muḥammad ibn ʾAḥmad ibn Rušd …
82Syllogism — A syllogism (Greek: συλλογισμός – syllogismos – conclusion, inference ) is a kind of logical argument in which one proposition (the conclusion) is inferred from two or more others (the premises) of a certain form. In antiquity, there were… …
83Philosophical analysis — (from Greek: Φιλοσοφική ανάλυση) is a general term for techniques typically used by philosophers in the analytic tradition that involve breaking down (i.e. analyzing) philosophical issues. Arguably the most prominent of these techniques is the… …
84Reference — 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 …
85Alonzo Church — This article is about the mathematician and logician. For the president of the University of Georgia, see Alonzo S. Church. Alonzo Church Alonzo Church (1903–1995) …
86Natural deduction — In logic and proof theory, natural deduction is a kind of proof calculus in which logical reasoning is expressed by inference rules closely related to the natural way of reasoning. This contrasts with the axiomatic systems which instead use… …
87Fallacy — In logic and rhetoric, a fallacy is usually incorrect argumentation in reasoning resulting in a misconception or presumption. By accident or design, fallacies may exploit emotional triggers in the listener or interlocutor (appeal to emotion), or… …
88Classical logic — identifies a class of formal logics that have been most intensively studied and most widely used. The class is sometimes called standard logic as well.[1][2] They are characterised by a number of properties:[3] Law of the excluded middle and… …
89Completeness — In general, an object is complete if nothing needs to be added to it. This notion is made more specific in various fields. Contents 1 Logical completeness 2 Mathematical completeness 3 Computing 4 …
90Fact — 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… …
