Obversion

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1	Aristotle and Lukasiewicz on Existential Import September 7, 2014 Abstract Jan Lukasiewicz’s treatise on Aristotle’s Syllogistic, published in the Add to Reading List Source URL: www.st-andrews.ac.uk Language: English - Date: 2015-01-14 04:41:17 Square of opposition Prior Analytics De Interpretatione Syllogism Term logic Categorical proposition Obversion Proposition Truth Logic Traditional logic Philosophy
2	PDF Document Add to Reading List Source URL: www-rohan.sdsu.edu Language: English Syllogism Converse Illicit major Obversion Fallacy of the undistributed middle Contraposition Illicit minor Deductive reasoning Fallacy of exclusive premises Logic Traditional logic Critical thinking