Education
The sixth workshop in Dr Joel Feinstein's G11FPM Foundations of Pure Mathematics module covers a worksheet with questions involving relations, equivalence relations, and modular arithmetic. In particular, looking at squares modulo 7, and applying this to show that a certain equation has no integer solutions. These videos are also available on YouTube at: https://www.youtube.com/playlist?list=PLpRE0Zu_k-BzsKBqQ-HEqD6WVLIHSNuXa Dr Feinstein's blog may be viewed at: http://explainingmaths.wordpr