Validv.InvalidInferencePhilosophyandLogicUnit2,Section1.2Twodistinctionsfromlasttime•Amerecollectionofstatementsvs.anargument(e.g.,acollectionofstatementsplusaninference)•Deductiveinferencesvs.inductiveinferencesFourassertionssittingonahillFourassertionssittingonahill,sometrue,somefalseAvalidargumentCharacterizingan...