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It should only contain pages that are Concepts in logic or lists of Concepts in logic, as well as subcategories containing those things (themselves set categories). Topics about Concepts in logic in general should be placed in relevant topic categories .
Later, W. V. O. Quine (1940, pp. 2–3) defined logic in terms of a logical vocabulary, which in turn is identified by an argument that the many particular vocabularies — Quine mentions geological vocabulary — are used in their particular discourses together with a common, topic-independent kernel of terms. [2]
A subfield of logic that emphasizes the concept of resources, where logical operations consume their arguments, differing from classical logic's treatment of assumptions as reusable. linear order A total order on a set where every pair of elements is comparable, meaning for any two elements, one is either greater than, less than, or equal to ...
A variety of basic concepts is used in the study and analysis of logical reasoning. Logical reasoning happens by inferring a conclusion from a set of premises. [3] Premises and conclusions are normally seen as propositions. A proposition is a statement that makes a claim about what is the case.
Logical truth is one of the most fundamental concepts in logic. Broadly speaking, a logical truth is a statement which is true regardless of the truth or falsity of its constituent propositions . In other words, a logical truth is a statement which is not only true, but one which is true under all interpretations of its logical components ...
Logic studies valid forms of inference like modus ponens.. 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 truths.
There is a list of fallacies on the logical fallacy page. Modern mathematical logic is at the list of mathematical logic topics page. For introductory set theory and other supporting material see the list of basic discrete mathematics topics .
Among the non-logical concepts, an important distinction is between singular terms and predicates. Singular terms stand for objects and predicates stand for properties of or relations between these objects. In this respect, first-order logic differs from traditional Aristotelian logic, which lacked predicates corresponding to relations. [5]