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Topic: History of logic

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	History of logic - Wikipedia, the free encyclopedia
		The history of logic documents the development of logic as it occurs in various rival cultures and traditions in history.
		Although exact dates are uncertain, particularly in the case of India, it is possible that logic emerged in all three societies by the 4th century BC.
		Stoic logic traced its roots back to Euclid of Megara, a pupil of Socrates, and with its concentration on propositional logic was perhaps closer to modern logic.
	en.wikipedia.org /wiki/History_of_logic (1385 words)

	History of logic: Facts and details from Encyclopedia Topic (Site not responding. Last check: 2007-10-20)
		Logic (from ancient greek (logos), originally meaning the word, or what is spoken, but coming to mean thought or reason) is the study...
		In chinese history, legalism (; pinyin fji) was one of the four main philosophic schools at the end of the zhou dynasty....
		Traditional logic, also known as term logic, is a loose term for the logical tradition that originated with aristotle and survived broadly unchanged...
	www.absoluteastronomy.com /encyclopedia/h/hi/history_of_logic.htm (1818 words)

	History of logic (Site not responding. Last check: 2007-10-20)
		Although exact dates are uncertain, especially in the case of India, it is possible that logic emerged in all three societies in the 4th.
		For instance, "All humans are mortal" becomes "All things x are such that, if x is a human then x is mortal." In 1889 Giuseppe Peano published the first version of the logical axiomatization of arithmetic.
		Logic is the basis of many principles including the scientific method.
	www.serebella.com /encyclopedia/article-History_of_logic.html (942 words)

	Aristotle's Logic
		The rise of modern formal logic following the work of Frege and Russell brought with it a recognition of the many serious limitations of Aristotle's logic; today, very few would try to maintain that it is adequate as a basis for understanding science, mathematics, or even everyday reasoning.
		One major difference between Aristotle's understanding of predication and modern (i.e., post-Fregean) logic is that Aristotle treats individual predications and general predications as similar in logical form: he gives the same analysis to "Socrates is an animal" and "Humans are animals".
		Modern modal logic treats necessity and possibility as interdefinable: "necessarily P" is equivalent to "not possibly not P", and "possibly P" to "not necessarily not P".
	plato.stanford.edu /entries/aristotle-logic (11035 words)

	UC Davis Philosophy 112 (Mattey) Intermediate Symbolic Logic: History of Predicate Logic
		The roots of predicate logic lie in the syllogistic logic of Aristotle, which he developed in the fourth century BCE.
		Aristotle's logic is concerned with the relation of premises to conclusion in arguments.
		Until that point, systems of predicate logic were axiomatic: from a small set of axioms and some rules of inference, numerous theorems were derived.
	www-philosophy.ucdavis.edu /mattey/phi112/history.html (2108 words)

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