The 'is' of predication attributes a property or characteristic to a subject, differentiating it from other uses of 'is' like…
An I-proposition, in traditional logic, is a particular affirmative categorical statement. It asserts that at least some members of the…
A deductive argument that doesn't logically guarantee its conclusion. It's flawed in structure, meaning the premises, even if true, don't…
An invalid argument is one where the conclusion does not logically follow from its premises, even if the premises are…
Intuitionism is a philosophy of mathematics that questions the existence of the mathematical infinite and the completeness of mathematical truth.…
An introduction rule in logic defines how to logically infer a connective within a proof. It's a fundamental concept in…
Interrogative logic, also known as erotetic logic, is the formal study of questions and reasoning involving them. It explores the…
Explore the concept of interrogative, focusing on questions and the act of questioning. Learn about its role in communication, inquiry,…
A logic focusing on meaning beyond mere truth values, exploring concepts like belief, necessity, and possibility. It distinguishes between logically…
An intensional definition outlines the core properties and characteristics of a concept, focusing on its inherent meaning rather than listing…