The philosophy of logic explores the fundamental nature, assumptions, and implications of logical systems. It scrutinizes the very tools we…
Philosophical logic explores the theoretical underpinnings of logic, delving into concepts like reference, modality, quantification, and the fundamental structure of…
The Philonian conditional, also known as the material conditional, is a key concept in propositional logic. It formalizes 'if...then...' statements,…
Petitio principii, or begging the question, is an informal fallacy where the argument's conclusion is already assumed within its premises.…
Peirce's law, ((P → Q) → P) → P, is a fundamental principle in logic. It is valid in classical…
A particular proposition in traditional logic makes a claim about some, but not all, members of a class. It contrasts…
These paradoxes highlight the counterintuitive nature of the material conditional in logic. They occur when the antecedent is false or…
A paradox presents a statement or situation that appears self-contradictory, defying common sense and challenging our fundamental understanding of logic,…
A non-classical logic that tolerates contradictions without leading to triviality. It's valuable for systems that are inherently inconsistent yet still…
An ostensive definition clarifies meaning by showing examples and counterexamples of a concept. It's a practical way to teach and…