I have a problem which i can'tsolve. Is there any one who has an idea? Two lists is sent as parameter to a function. If second list contains first list, return true, else return false. This comparision must be in order of first list. You can look at examples. function type as follows: sublist:: [a] -> [a] -> Bool examples: For instance [2,4,5]list is sub list of [3,7,2,4,5,9] list but not of[3,7,4,2,5,9] list. sublist [2,8][1,5,6,2,4,7,8,2] False sublist [1,2,3][0,1,2,3,4,5,6] True sublist [5,4] [1,4,5,7,8,3,5,4] True sublist [1,2,4,3,4,5,7,8,9,5] [8,2,3,1,2,4,3,4,5,7,8,9,5,1,6,2] True ____________________________________________________________________________________ Be a better friend, newshound, and know-it-all with Yahoo! Mobile. Try it now. http://mobile.yahoo.com/;_ylt=Ahu06i62sR8HDtDypao8Wcj9tAcJ