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Are All Infinities Created Equal?

Teo J. Paoletti 

September 2013, Volume 107, Issue 2, Page 98

Abstract:
This historical—and classroom friendly—approach to the concept of infinity uses Cantor’s proofs of cardinality.

Keywords:
Sets
Rational Numbers
Article
Grades 9-12
Curriculum
Math Coordinator / Coach
History of Mathematics
Teacher
Integers
Reasoning and Proof
Representation
Whole Numbers / Natural Numbers / Counting Numbers