Consequentia Mirabilis: The Principle of Indirect Proof
Consequentia mirabilis, a classical logic principle, asserts that if the negation of…
Classical Logic
Classical logic, founded on bivalence, non-contradiction, and excluded middle, is the traditional…
Bivalence: The Principle of True or False
Bivalence asserts that every proposition is definitively either true or false, a…
Aristotle’s Theses in Propositional Logic
Aristotle's theses, specifically ¬(¬A → A) and ¬(A → ¬A), are key…
Aristotelian Logic
Aristotle's traditional logic, a foundational system in Western thought, centers on syllogisms…