Timeline for Why do we teach calculus students the derivative as a limit?
Current License: CC BY-SA 3.0
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Dec 15, 2014 at 13:36 | comment | added | Pietro Majer | We always learn by students. Not really in the topic, but I need to tell this recent one. A student showed me a couple of exercises on limits he had done (a bit worried). "Is it 1?" "Correct!" I said. "And this one? I got -2..." "Correct too, very good" said I. And he... "But isn't this in contradiction with the principle of uniqueness of the limit?". | |
Dec 15, 2014 at 6:56 | comment | added | Steven Landsburg | @quid: Well, of course. The Greeks were very primitive and had not yet discovered the letter $h$. | |
Dec 15, 2014 at 6:49 | comment | added | user9072 | Of course the Greek method uses a $\Delta$ rather than an $h$. | |
S Dec 14, 2014 at 23:25 | history | answered | Steven Landsburg | CC BY-SA 3.0 | |
S Dec 14, 2014 at 23:25 | history | made wiki | Post Made Community Wiki by Steven Landsburg |