1 A Gentle Introduction to Haskell 98 Paul Hudak, Yale University John Peterson, Yale University Joseph Fasel, Los Alamos National Laboratory September 28, 1999 Copyright (C) 1999 Paul Hudak, John Peterson and Joseph Fasel Permission is hereby granted, free of charge, to any person obtaining a copy of "A Gentle Introduction to Haskell" (the Text), to deal in the Text without restriction, includin