Recursion Theorem
The recursion theorem, fundamental in computability theory, allows a function to call…
Putnam’s Model-Theoretic Argument
Hilary Putnam's argument challenges how we understand reference and truth. It suggests…
Pure First-Order Logic
Pure first-order logic is a foundational system in logic, characterized by its…
Propositional Logic
Propositional logic is a fundamental branch of logic focusing on propositions as…
Propositional Function Explained
A propositional function is an expression with variables that becomes a true…
Post Consistency in Formal Theories
A theory is Post consistent if it contains at least one unprovable…
Polyadic First-Order Logic
An extension of first-order logic that incorporates predicates with multiple arguments. This…