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Commentary on Theories of Mathematics Education

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C<strong>on</strong>tents xvii<br />

<str<strong>on</strong>g>Commentary</str<strong>on</strong>g> <strong>on</strong> The Fundamental Cycle <strong>of</strong> C<strong>on</strong>cept C<strong>on</strong>structi<strong>on</strong><br />

Underlying Various Theoretical Frameworks .............193<br />

Bettina Dahl<br />

Introducti<strong>on</strong> . .............................193<br />

Fundamental Cycles <strong>of</strong> C<strong>on</strong>cept C<strong>on</strong>structi<strong>on</strong> Underlying Various<br />

Theoretical Frameworks . ...................193<br />

AnotherFramework<strong>of</strong>CognitiveProcesses.............196<br />

MergingtheFrameworks.......................197<br />

WhereAreWeasaField? ......................199<br />

HowDoWeMoveForward?.....................200<br />

Disc<strong>on</strong>tinuityandLack<strong>of</strong>Progress ..............201<br />

IsComplementaritytheSoluti<strong>on</strong>? ...............201<br />

Are We Shooting with a Shotgun Then? . . . .........202<br />

Scientific Growth Through Falsificati<strong>on</strong>s . . .........203<br />

Unified Theory and Truth ...................204<br />

C<strong>on</strong>clusi<strong>on</strong>s . .............................205<br />

References . .............................206<br />

Part VII Symbols and Mediati<strong>on</strong> in <strong>Mathematics</strong> Educati<strong>on</strong><br />

Preface to Part VII ...............................211<br />

Stephen J. Hegedus<br />

Symbols and Mediati<strong>on</strong> in <strong>Mathematics</strong> Educati<strong>on</strong> .............213<br />

Luis Moreno-Armella and Bharath Sriraman<br />

Introducti<strong>on</strong> . .............................213<br />

Arithmetic: Ancient Counting Technologies .............218<br />

<strong>Mathematics</strong> from a Dynamic Viewpoint: The Future <strong>of</strong><br />

<strong>Mathematics</strong> Educati<strong>on</strong> . ...................221<br />

Computati<strong>on</strong>al and Cognitive Technologies . .........222<br />

Domains<strong>of</strong>Abstracti<strong>on</strong>s.......................224<br />

Inducti<strong>on</strong> and Deducti<strong>on</strong>: The Computer as a Mediating Tool ....227<br />

Algorithms, Representati<strong>on</strong>s and Mathematical Thinking . . . 228<br />

Representati<strong>on</strong>al Fluidity in Dynamic Geometry .......230<br />

References . .............................231<br />

<str<strong>on</strong>g>Commentary</str<strong>on</strong>g> <strong>on</strong> Symbols and Mediati<strong>on</strong> in <strong>Mathematics</strong> Educati<strong>on</strong> ...233<br />

Gerald A. Goldin<br />

References . .............................237

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