public List<IntroductionRule> introductionRules(){
List<IntroductionRule> nodes=new ArrayList<IntroductionRule>();
+
+ //Introduzione del not (NOTA: il not non eredita la regola di riduzione ad assurdo)
RuleIntroduction notIntro=new RuleIntroduction("¬i",4);
Node notN=new Node(new FormulaBOT());
List<Formula> notHP=new ArrayList<Formula>();
public Formula duplicate() {
return new FormulaNot(Operand.duplicate());
}
-}
\ No newline at end of file
+}