Quod Erat Demonstrandum (QED)
QED, a Latin phrase meaning "which was to be demonstrated," marks the…
Quantity in Categorical Propositions
Quantity in logic refers to whether a categorical proposition is universal (applies…
Quantifiers in Logic
Quantifiers are fundamental logical operators like 'all' or 'some' that specify the…
Pseudo Modus Ponens
Pseudo modus ponens is an axiom representing assertion, stating that if A…
Prosentential Theory of Truth
The prosentential theory of truth views truth as a linguistic tool, akin…
Propositional Function Explained
A propositional function is an expression with variables that becomes a true…
Understanding Propositions in Logic and Philosophy
A proposition is a declarative statement that can be true or false.…
Proof-Theoretic Consequence
Proof-theoretic consequence, also known as syntactic consequence, explores logical entailment based on…