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authorjoshuab <>2010-06-30 20:25:52 +0000
committerbnewbold <bnewbold@adelie.robocracy.org>2010-06-30 20:25:52 +0000
commit88c0bddefd9faf5844c6b37b7b8637f3d082b0dd (patch)
tree1c275c45674a7caad9544aa27ca9757c3b424dce
parent538341232274e1d81e5c6bb04634fa195bfe45a9 (diff)
downloadafterklein-wiki-88c0bddefd9faf5844c6b37b7b8637f3d082b0dd.tar.gz
afterklein-wiki-88c0bddefd9faf5844c6b37b7b8637f3d082b0dd.zip
added closed interval
-rw-r--r--Problem Set 1.page3
1 files changed, 2 insertions, 1 deletions
diff --git a/Problem Set 1.page b/Problem Set 1.page
index a58e2dc..9ea5399 100644
--- a/Problem Set 1.page
+++ b/Problem Set 1.page
@@ -7,7 +7,8 @@
- $\mathbb{N} \times \mathbb{N}$
- $\mathbb{Q}$ = Set of all fractions $\frac{n}{m}$ where $n,m \in \mathbb{Z}$
- $\mathbb{R}$
- - $(0,1)$
+ - The open interval $(0,1)$
+ - The closed interval $[0,1]$
- $2^{\mathbb{N}}$ = Set of all subsets of $\mathbb{N}$.
- $2^{\mathbb{R}}$ = Set of all subsets of $\mathbb{R}$.
- $\mathbb{R}^{\mathbb{R}}$ = Set of all functions from $\mathbb{R}$ to itself.