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I decided to ask here as well, because maybe someone will see it. Given a list of integers, use pattern matching and //.to create a rule that generates an ordered list of integers that are larger than the previous numbers in the list, eg given {3,5,2,0,6,1,8,4,9}, you should get {3,5,6,8,9}.I tried something like rules = {x_,y_,__}/;x>y -> {x,___}, calling our list L, L//.rules . I haven't really used this function before, what is the correct syntax? I want to check pairs of numbers and discard one if its less than the other. Any help would be appreciated.