In the domain of proofs in mathematics education, the DNR theory created by Guershon Harel attempts to bridge the epistemologies of what constitutes proofs in professional mathematics and mathematics education. The DNR theory is one that has been gradually developed.
CITATION STYLE
Sriraman, B., VanSpronsen, H., & Haverhals, N. (2010). Commentary on DNR-Based Instruction in Mathematics as a Conceptual Framework. In Theories of Mathematics Education (pp. 369–378). Springer Berlin Heidelberg. https://doi.org/10.1007/978-3-642-00742-2_35
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