public void testSubstWithUniversalQuantifierAndOneOfTwoVariablesMatched()
{
Sentence beforeSubst = parser.parse("FORALL x,y King(x,y))");
Sentence expectedAfterSubst = parser.parse("FORALL x King(x,John)");
Dictionary<Variable, Term> p = new Dictionary<Variable, Term>();
p.Add(new Variable("y"), new Constant("John"));
Sentence afterSubst = sv.subst(p, beforeSubst);
Assert.AreEqual(expectedAfterSubst, afterSubst);
Assert.AreEqual(parser.parse("FORALL x,y King(x,y))"), beforeSubst);
}