// creating 2 fuzzy sets to represent Cool (Temperature) and Near (Distance)
TrapezoidalFunction function1 = new TrapezoidalFunction( 13, 18, 23, 28 );
FuzzySet fsCool = new FuzzySet( "Cool", function1 );
TrapezoidalFunction function2 = new TrapezoidalFunction( 23, 28, 33, 38 );
FuzzySet fsNear = new FuzzySet( "Near", function2 );

// getting memberships
float m1 = fsCool.GetMembership( 15 );
float m2 = fsNear.GetMembership( 35 );

// computing the membership of "Cool AND Near"
ProductNorm AND = new ProductNorm( );
float result = AND.Evaluate( m1, m2 );

// show result
Console.WriteLine( result );