user1411893

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visits	member for	11 months
	seen	May 10 at 21:35
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5 Questions

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33	How do I define a bijection between $(0,1)$ and $(0,1]$?
4	How many 4 worded sentences can a list of 5 words make if two of them must be in that sentence?
2	Prove/Show that a number is square if and only if its prime decomposition contains only even exponents.
1	If a graph G has chromatic number 3, then G contains a subgraph isomorphic to $K_3$?
-2	A question on logic: Is this statement true or false

307 Reputation

+65	How do I define a bijection between $(0,1)$ and $(0,1]$?
+5	If a graph G has chromatic number 3, then G contains a subgraph isomorphic to $K_3$?
+20	How many 4 worded sentences can a list of 5 words make if two of them must be in that sentence?
+5	Prove/Show that a number is square if and only if its prime decomposition contains only even exponents.

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9 Tags

0 elementary-set-theory × 2	0 permutations
0 functions	0 homework
0 elementary-number-theory	0 graph-theory
0 prime-numbers	0 real-analysis
0 combinatorics

3 Accounts

$Mathematics Stack Exchange$	Mathematics	307 rep	16
	Stack Overflow	246 rep	7
	Theoretical Computer Science	101 rep

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