On the Forms of Logical Proposition Mind, a Quarterly Review of Psychology and Philosophy 5, 1880, pp. 336-350 [FIRST EDITION OF THE JOINT FIRST PUBLICATION OF VENN DIAGRAMS]
London: Williams and Norgate, 1880. 1st Edition. FIRST EDITION OF THE JOINT FIRST PUBLICATION OF VENN DIAGRAMS (see below for clarification of concurrent publication). Venn diagrams provide an easy and better way of visualizing elements, information, sets, concepts, logical relationships, and even simply ideas. Essentially, they are illustrations that utilize..... More