Generate unique elements in an array

In reply to dave_59:

Hi Dave ,
How to generate unique values for array of array without using unique ?

 constraint c {
	    foreach(fx_arry[i]) {
       	     // fx_arry[i] inside{[0:SIZE-1]};
               foreach(fx_arry[j]) {
       		  if(j != i){
		   fx_arry[j] !=fx_arry[i]
		  };
               }
            }
         }

I am unable get the logic right .can you help out.