User:Hindleyite/Featuredyesterday
Jump to navigation
Jump to search
Last Quarter's Featured Article: Logic
Logic is the study of the principles of valid inference and demonstration The word derives from Greek λογική (logike), fem. of λογικός (logikos), "possessed of reason, intellectual, dialectical, argumentative", from λόγος logos, "word, thought, idea, argument, account, reason, or principle".