Free logic is a formal system that permits terms without existing referents, unlike classical logic, which presumes all terms denote…
A frame in modal logic defines a set of possible worlds and the accessibility relation between them. It serves as…
Formal logic is the study of inference based solely on logical form, disregarding the interpretation of terms. It focuses on…
A formal fallacy is a flaw in the structure or form of an argument, distinct from errors in its content.…
A formal consequence is a conclusion derived solely from the logical form of propositions, independent of their content. It contrasts…
A forced march sorites paradox examines how small, incremental changes, when accumulated, can lead to a significant, contradictory outcome. It…
The Fitch paradox, a puzzle in epistemic logic, challenges our understanding of knowledge. It suggests that if certain axioms of…
First-order variables are placeholders for individuals within a specific domain in first-order logic. They are fundamental to expressing general statements…
First-order logic (FOL) is a formal system using quantifiers like 'for all' and 'there exists' to reason about individuals. It's…
Finitism is a philosophical stance that denies the existence of infinite entities and processes. It asserts that only quantities and…