Counterfactual Conditional
A counterfactual conditional is an 'if...then...' statement about something that did not…
Tarski’s Convention T: A Correspondence Theory of Truth
Alfred Tarski's Convention T proposes a criterion for truth: a sentence is…
Contradiction: The Foundation of Logical Fallacy
A contradiction asserts a statement and its negation simultaneously. In classical logic,…
Contingency: The Nature of Conditional Truth
Contingency describes propositions that are neither always true nor always false, their…
Concrete Object
A concrete object is something that exists in physical reality. Unlike abstract…
Complete Infinity
A philosophical and mathematical concept representing an actual, completed infinity as a…
Coextensive: Understanding Scope and Range in Concepts
Coextensive describes concepts or terms that share the same scope or range,…
Classical Reductio Ad Absurdum
A robust form of reductio ad absurdum, it proves a proposition P…
Categorical Syllogism
A categorical syllogism is a deductive reasoning form in Aristotelian logic. It…