On the Origin of Venn Diagrams . . . January 19, 2011 3:25pm by Barry Ritholtz On the Diagrammatic and Mechanical Representation of Propositions and Reasonings (Google Books). Spread the wealth. twitter facebook linkedin What's been said: Discussions found on the web: Posted UnderUncategorized Previous Post Howard Stern on CNN’s Piers Morgan Next Post The Media Universe
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