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by srean·1d ago·view on hn ↗
> Most studies show that students DO NOT RETAIN limit concepts

Is that so ? I would not have guessed. I am not being sarcastic. Going by experiences of my own high school cohort I would have claimed that limits had a more lasting impression.

BTW I enjoyed your arxiv paper on 2nd order derivatives.

1 comments
Here's an interesting paper on the topic for epsilon-delta proofs:

https://arxiv.org/pdf/1701.05187

Also see Table 2 of this older paper for limit thinking in general:

https://u.math.biu.ac.il/~katzmik/sullivan76.pdf

Thanks.