The identity of indiscernibles posits that if two things have precisely the same properties, they are, in fact, the same…
Identity signifies the unique relation of an entity to itself, embodying the principle that something is fundamentally the same as…
Gödel's slingshot argument challenges theories distinguishing facts from true propositions. It questions the coherence of fine-grained semantic distinctions, impacting truth…
Free logic is a formal system that permits terms without existing referents, unlike classical logic, which presumes all terms denote…
A falsemaker is an entity or condition that makes a proposition false. It's the metaphysical opposite of a truthmaker, which…
Counterpart theory, proposed by David Lewis, offers a philosophical interpretation of modal logic. It posits that objects in one possible…
The Barcan formula in modal logic states that if something exists, then it necessarily exists. It explores the relationship between…
Aristotle's sea battle thought experiment delves into future contingents, questioning whether statements about the future are true or false now,…
An abstract object is a conceptual entity, existing as a type or idea rather than a physical presence in space…
Remote viewing, also known as telesthesia, is the purported ability to perceive distant or unseen targets through extrasensory perception, extending…