Talk:Inertia Principle

Fairly sure this has already been solved, or at least something very similar. We have a proof that if a sequence has a limit which is different from zero, eventually we reach a point where all values are the same side of zero. This is just an application of that, or vice versa.

It needs a good tidy up because in its current form it's difficult to read. --prime mover 13:54, 27 October 2011 (CDT)
 * ... Tidied a bit, and corrected where it said $1$ a couple of times where it should have said $l$. Needs to be referred to already proven results, and in particular could (and perhaps should) be proved directly from the fact of $\langle a_n \rangle$ being a Cauchy sequence. Might be worth putting into eqn template shape.
 * Finally, the origin of the name needs to be explored. The only place I've seen it used in this context is in the student room: http://www.thestudentroom.co.uk/showthread.php?t=1820988 --prime mover 14:10, 27 October 2011 (CDT)