public override WFF Rename(Term s, Term d)
{
WFF[] rdis = new WFF[disjuncts.Length];
for (int a = 0; a < disjuncts.Length; a++)
{
rdis[a] = disjuncts[a].Rename(s, d);
}
return(new Disjunction(rdis));
}
public override WFF Rename(Term s, Term d)
{
WFF[] rcon = new WFF[conjuncts.Length];
for (int a = 0; a < conjuncts.Length; a++)
{
rcon[a] = conjuncts[a].Rename(s, d);
}
return(new Conjunction(rcon));
}
public Negation(WFF i)
{
if (i is Negation)
{
Negation n = (Negation)i;
inner = n.inner;
}
else
{
inner = i;
}
}
public override bool Equals(object obj)
{
if (obj == null)
{
return(false);
}
if (GetType() != obj.GetType())
{
return(false);
}
Quantifier q = (Quantifier)obj;
if (variable.Equals(q.variable))
{
return(scope.Equals(q.scope));
}
WFF renamed = q.scope.Rename(q.variable, variable);
return(scope.Equals(renamed));
}
public Biconditional(WFF l, WFF r)
{
left = l;
right = r;
}
public Conditional(WFF a, WFF c)
{
antecedent = a;
consequent = c;
}