Recursion Theorem
The recursion theorem, fundamental in computability theory, allows a function to call…
Ramsey Test
The Ramsey test is a criterion for accepting conditional statements. It suggests…
Ramsey Sentence
The Ramsey sentence expresses a theory's empirical content by quantifying over its…
Ramified Theory of Types
An extension of the simple theory of types, the ramified theory introduces…
Quod Erat Demonstrandum (QED)
QED, a Latin phrase meaning "which was to be demonstrated," marks the…
Quine’s Dictum: Ontological Commitment in Logic
Quine's dictum, "To be is to be the value of a variable,"…
Quantum Logic
Quantum logic is a non-classical system exploring the unique principles of quantum…
Quantity in Categorical Propositions
Quantity in logic refers to whether a categorical proposition is universal (applies…
Quantifier Shift Fallacy
The quantifier shift fallacy occurs when quantifiers like 'all' or 'some' are…
Quantifiers in Logic
Quantifiers are fundamental logical operators like 'all' or 'some' that specify the…