A theory is a structured set of propositions offering a comprehensive explanation for phenomena in the natural world or abstract…
Temporal modal logic extends modal logic with time-related modalities like 'always' and 'sometimes'. It enables reasoning about the temporal aspects…
Explore hypothetical situations and their consequences with subjunctive conditionals. These statements describe what would be true if a contrary-to-fact antecedent…
A sea battle, often referred to in philosophical contexts like Aristotle's, explores concepts of necessity, possibility, and future contingents. It…
Relational semantics interprets logical languages using relations between possible worlds or states of affairs. It's a key tool for understanding…
A property of a function or relation that stays the same regardless of the order of its input elements. Essential…
Quine's New Foundations is a set theory designed to bypass paradoxes of naive set theory. It uses a unique axiom…
Modal actualism asserts that only actual, existing entities are possible. This philosophical stance challenges the notion of merely possible objects,…