Natural Deduction
Natural deduction is a system of logical inference that aims to emulate…
Monotonic Logic
Monotonic logic ensures that adding new information never invalidates existing conclusions. This…
Model-Theoretic Consequence
Model-theoretic consequence is a fundamental concept in logic, defining logical implication through…
Model in Logic and Mathematics
A model in logic and mathematics interprets the symbols of a formal…
Middle Term in Syllogisms Explained
The middle term connects the major and minor terms in a syllogism.…
Metatheorem: Understanding Theorems About Theories
A metatheorem is a theorem that describes properties of a formal system,…
Major Term in Syllogisms
The major term is the predicate of the conclusion in a syllogism.…
Logic of Relations
A specialized field of logic focusing on the properties, composition, and inversion…
Logic of Questions and Answers (Erotetic Logic)
Erotetic logic, also known as the logic of questions and answers, formalizes…