pilog - using range

I'm having trouble figuring out how to use range in a simple pilog example. I can use member: (be add1-or-double (@X @Num) (member @X (1 2 3 4)) (@Ans + 1 (-> @X)) (@Ans2 * 2 (-> @X)) (or ((equal @Num @Ans)) ((equal @Num @Ans2 (? (add1-or-double @X 4)) @X=2 @X=3: If I try this: (

Re: pilog - using range

Hi Joe, > (be add1-or-double (@X @Num) > (member @X (1 2 3 4)) > (@Ans + 1 (-> @X)) > (@Ans2 * 2 (-> @X)) > (or ((equal @Num @Ans)) ((equal @Num @Ans2 > > (? (add1-or-double @X 4)) > @X=2 @X=3: OK > If I try this: > > (be add1-or-double (@X @Num) > # (member @X (1 2 3 4)) > (@