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Komatsu, Kotaro; Tsujiyama, Yosuke; Sakamaki, Aruta – International Journal of Mathematical Education in Science and Technology, 2014
Proof and proving are important components of school mathematics and have multiple functions in mathematical practice. Among these functions of proof, this paper focuses on the discovery function that refers to invention of a new statement or conjecture by reflecting on or utilizing a constructed proof. Based on two cases in which eighth and ninth…
Descriptors: Mathematics Instruction, Mathematical Logic, Validity, Grade 8