
02313277
j
1996d.02341
Van Dyke, Frances
Activities: A Visual Approach to Deductive Reasoning.
Math. Teach. (Reston) 88, No. 6, 48186,49294 (1995).
1995
National Council of Teachers of Mathematics (NCTM), Reston, VA
EN
E30
Provides a teacher's guide and activity sheets designed to introduce students to three patterns of reasoning in inferential logic. Students learn to construct arguments from diagrams and, given an argument, illustrate the argument with a Venn diagram, then study the diagram to see if the argument is valid or invalid. (ERIC)