Themainunifyingthemeistheideaofanintelligentagent.WedefineAlasthestudyofagentsthatreceiveperceptsfromtheenvironmentandperformactions.Eachsuchagentim-plementsafunctionthatmapsperceptsequencestoactions,andwecoverdifferentwaystorepresentthesefunctions,suchasreactiveagents,real-time