Tarskian Hierarchy
Alfred Tarski's Tarskian hierarchy is a linguistic structure designed to prevent semantic…
Strong Kleene Connectives
Strong Kleene connectives are logical operators in three-valued logic designed by Stephen…
Recursion Theorem
The recursion theorem, fundamental in computability theory, allows a function to call…
Propositional Logic
Propositional logic is a fundamental branch of logic focusing on propositions as…
Necessitation Rule in Modal Logic
The necessitation rule in modal logic states that if a proposition is…
Logic Gates: The Building Blocks of Digital Circuits
Logic gates are fundamental electronic components that perform basic logical operations. They…
Law of Non-Contradiction
A cornerstone of classical logic, the law of non-contradiction asserts that a…
Frege’s Theorem
Frege's theorem establishes that arithmetic is reducible to logic. It demonstrates how…