formal systems

Logical Theorem

A logical theorem is a statement proven true within a formal system. It relies on axioms and inference rules, representing…

4 days ago

Logical Pluralism

Logical pluralism posits that multiple, equally valid logics exist, each capturing different facets of reasoning and argumentation. It challenges the…

4 days ago

Logical Paradox

A logical paradox is a statement or set of statements that results in a contradiction or defies intuition. It often…

4 days ago

Logical Equivalence

Logical equivalence describes the relationship between statements that hold true under precisely the same conditions. This allows for their seamless…

4 days ago

Löb’s Theorem

Löb's theorem in mathematical logic states that if a system can prove that a statement implies its own provability, then…

4 days ago

Löb’s Paradox

Löb's paradox, a puzzle in modal logic, questions the formalization of provability within a system. It leads to counterintuitive results…

4 days ago

Limitation Result

A limitation result defines the boundaries of what can be achieved in a logical or mathematical system. It often signifies…

4 days ago

Liar Sentence

A liar sentence asserts its own falsity, like 'This sentence is false.' It forms the core of the liar paradox,…

4 days ago

Kreisel-Putnam Logic

A logic designed for higher-order quantification and modalities. It emerged from discussions on the foundations of mathematics by Kreisel and…

4 days ago

Introduction Rule in Logic

An introduction rule in logic defines how to logically infer a connective within a proof. It's a fundamental concept in…

4 days ago