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13439 | Venn Diagrams map three predicates into eight compartments, then look for the conclusion [Bostock] |
Full Idea: Venn Diagrams are a traditional method to test validity of syllogisms. There are three interlocking circles, one for each predicate, thus dividing the universe into eight possible basic elementary quantifications. Is the conclusion in a compartment? | |
From: David Bostock (Intermediate Logic [1997], 3.8) |