Negation Introduction Rule in Natural Deduction
Negation introduction is a natural deduction rule enabling the derivation of negation.…
Existential Instantiation: Inferring Existence from Generic Statements
Existential instantiation is a logical rule enabling the inference of a specific…
Elimination Rule in Logical Inference
An elimination rule in logic simplifies formulas by removing connectives or quantifiers.…
Discharge in Logical Derivation
Discharge is the act of eliminating an assumption within a logical derivation.…