first A hit 3 staks to B, after A hit 2 to C, then B have -3 ac reductions and C -2, and now if A hit one time to D whit this skill, D will have -1 ac reductions and B will have 2, instead of 3. is understandable? He meant: 4·(3·(2·(λn.(1, if n = 0; and n·((Y g) (n-1)), if n > 0) 1))) :geek: :geek:...