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Tagged with set-theory secondary-education
3 questions
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3
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Whole numbers as sets vs abstracted properties of sets
I recently landed on a book written for elementary school teachers which introduced the concept of whole numbers in the following manner:
We have a set $\{\alpha, \beta, \gamma\}$. There are other ...
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9
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6
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Can this be a better way of defining subsets?
I remember my high school days where subsets were defined in the following manner:
Given two sets A and B, if every element of B is an element of A, then B is called a subset of A.
A common ...
- 457
14
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8
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Fun set theory for kids
Are there some fun results in set theory to set as landmarks while introducing to kids?
For example, while introducing graph theory to kids, I could explain isomorphism via a pentagon and pentagram, ...
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