Negation Introduction Rule in Natural Deduction
Negation introduction is a natural deduction rule enabling the derivation of negation.…
Negation Elimination in Natural Deduction
Negation elimination is a fundamental rule in natural deduction. It permits inferring…
Introduction Rule in Logic
An introduction rule in logic defines how to logically infer a connective…
Disjunction Introduction Rule
The disjunction introduction rule states that from any single proposition, one can…
Discharge in Logical Derivation
Discharge is the act of eliminating an assumption within a logical derivation.…