2011/08/23

[29] [Nested interval theorem/区間縮小法(1)] For a sequence of closed bounded intervals {I_n} s.t. I_n ⊃ I_n+1, there is a real number that belongs to all I_n.

http://www.evernote.com/shard/s29/sh/6e8ba429-4fc1-40bd-b924-2e4336cc8a76/c1fa72632d4dcf9c811bb67f1187f83b