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Pala, Ozan; Aksoy, Esra; Narli, Serkan – Online Submission, 2021
As proof and proving are the key elements of mathematics, several frameworks evaluating this process have been presented. Proof image, being one of them, was introduced by Kidron and Dreyfus (2014) through analyses of two mathematicians' activities. Authors clarified it in the context of components, and emphasized its relation with formal proof.…
Descriptors: Mathematics Instruction, Validity, Mathematical Logic, Algebra