id	author	title	date	pages	extension	mime	words	sentences	flesch	summary	cache	txt
en-wikipedia-org-9818		Deductive reasoning - Wikipedia			.html	text/html	2222	372	58	Method of reasoning by which premises understood to be true produce logically certain conclusions Deductive reasoning goes in the same direction as that of the conditionals, and links premises with conclusions. If all premises are true, the terms are clear, and the rules of deductive logic are followed, then the conclusion reached is necessarily true. An example of an argument using deductive reasoning: An example of an argument using deductive reasoning leading to erroneous conclusion: Reasoning with modus ponens, modus tollens, and the law of syllogism[edit] It validates an argument that has as premises a conditional statement (formula) and the negation of the consequent ( It is possible to have a deductive argument that is logically valid but is not sound. This theory of deductive reasoning – also known as term logic – was developed by Aristotle, but was superseded by propositional (sentential) logic and predicate logic.[citation needed]	./cache/en-wikipedia-org-9818.html	./txt/en-wikipedia-org-9818.txt