Any curve can be considered to be made of sufficiently small straight lines. What is the name of the theorem which states this fact?
Thank you.
I asked the same question at Hacker News.
[Edit: in the Hacker News question, the OP included the following link, which I think clarifies his/her intent:
http://musr.physics.ubc.ca/~jess/hr/skept/Math/node10.html
--PLC.]