K. P. Mohanan, Madhav Kaushish
Numbers and numerals used to represent numbers are different things. So are the triangles we draw on paper and triangles in Euclidean Geometry. So is a human face and a picture of a human face. So are the words you've just read and the thoughts those words created in your mind. Representations and representational systems are tools which allow us to think better. Imagine attempting to figure out the properties of a triangle without ever having seen a triangle, just from the Euclidean definition. Good representational systems can lead us to good ideas. However, bad representational systems can be misleading. This video is an introduction to different types of representational systems across disciplines.
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