>    rule :Rule_Name,
>      [Class, :c1, m.method_that_returns_array(&c{|x| x.include?
> ("VALUE")})],
>      [Class2, :c2, m.type == "TYPE", m.relationship == b(:c1)] do |v|
>      puts "found it"
>    end

>    rule :Rule_Name2,
>      [Class2, :c2, m.type == "TYPE", m.relationship(&c{|x|
> x.method_that_returns_array.include?("SHUTTLE")})] do |v|
>      puts "found it"
>    end

> Is the first better because it doesnt have to execute the block on all
> Class2 objects in the working memory?  In the first approach I have to
> assert each Class2 object and also assert its associated Class1
> object.  Doing this allows me to first scope by Class1.  My assumption
> is that if i have fewer Class1 objects it would be better to use the
> first approach.  Also, is my approach for arrays correct here?