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age 21
visits member for 1 year, 6 months
seen Jul 2 at 3:20

Mar
11
comment Josephus problem extended
@Michael $ m>0 $
Mar
11
asked Josephus problem extended
Jul
29
awarded  Scholar
Jul
29
accepted Ramsey's theorem
Jul
29
awarded  Student
Jul
29
comment Ramsey's theorem
let us continue this discussion in chat
Jul
29
comment Ramsey's theorem
To be precisely,the question I post is to proof that the second triangle exists. If you think there be an example of a graph with only one triangle, can you draw it?
Jul
29
comment Ramsey's theorem
ok,my question is that if there exist a second triangle(maybe blue,maybe red)?
Jul
29
revised Ramsey's theorem
delete the information misleading
Jul
29
comment Ramsey's theorem
if there isn't exist a red line then there is a blue triangle
Jul
29
revised Ramsey's theorem
added 51 characters in body
Jul
29
revised Ramsey's theorem
added 34 characters in body
Jul
29
revised Ramsey's theorem
added 136 characters in body
Jul
29
asked Ramsey's theorem
Jul
25
revised Number of numbers without a given digit $n$ ($1\leq n \leq 9$)?
give example
Jul
24
awarded  Citizen Patrol
Jul
24
awarded  Teacher
Jul
24
awarded  Editor
Jul
24
revised Number of numbers without a given digit $n$ ($1\leq n \leq 9$)?
format defination
Jul
24
answered Number of numbers without a given digit $n$ ($1\leq n \leq 9$)?