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Download full textYahya, Aehsan Haj; Hershkowitz, Rina; Dreyfus, Tommy – North American Chapter of the International Group for the Psychology of Mathematics Education, 2014
We present the second stage of a study within the context of geometry, whose aim is to investigate relationships between and influence of visualization, the concept images of students concerning geometrical concepts and their definition, and students' ability to prove. We focus on links between the understanding of the definition's role in…
Descriptors: Mathematical Logic, Validity, Geometry, Definitions
