Cheshire Cat Paradigm

I have been meaning to focus on this aspect of mathematics for some time.  It is a topic I elaborated in my “Angular Momentum” post. But I also think it has something to do with the difficulties that normal folks have with elementary math, in particular, numbers.  I thought I would dub it the Cheshire Cat Paradigm, involving the Cheshire Cat’s grin.

See the Cheshire Cat Paradigm.

(Update 6/7/2025) Contra Concrete Algebra

A recent posting has prompted me to address yet again my concerns about tying the learning of algebra so tightly to concrete objects and manipulations.

See Contra Concrete Algebra.

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