Negation introduction is a natural deduction rule enabling the derivation of negation. It typically involves assuming the opposite and deriving…
Negation elimination is a fundamental rule in natural deduction. It permits inferring a conclusion by negating a premise, provided it…
Natural deduction is a system of logical inference that aims to emulate human reasoning. It uses introduction and elimination rules…
An introduction rule in logic defines how to logically infer a connective within a proof. It's a fundamental concept in…
The disjunction introduction rule states that from any single proposition, one can infer a disjunction including that proposition and any…
Discharge is the act of eliminating an assumption within a logical derivation. It's a crucial step, often used to prove…