Propositional Logic Test

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This Demonstration gives a propositional logic test. A simple two-dimensional world is inhabited by triangles, squares, and pentagons with three sizes and two colors. The task is to find truth values for ten statements about the world.

Contributed by: Izidor Hafner (March 2011)
Based on work by: Jon Barwise and John Etchemendy
Open content licensed under CC BY-NC-SA



J. Barwise and J. Etchemendy, Tarski's World, Stanford, CA: CSLI Publications, 1993.

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