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location Monkey Island, OK
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visits member for 2 years, 1 month
seen 8 hours ago

Jun
4
comment Multiplying using reciprocal, addition and subtraction
I'm pretty sure this answer is adequate.
Jun
4
comment How can i prove that result on Fibonacci and coprimes?
what does $a\wedge b$ mean?
Jun
4
answered What is the expression for the set of all nonduplicate subsets for k-many elements?
Jun
4
revised Pigeonhole principle and finite sequences
added 1 character in body
Jun
4
revised Pigeonhole principle and finite sequences
added 9 characters in body
Jun
4
revised Pigeonhole principle and finite sequences
deleted 9 characters in body
Jun
4
revised Pigeonhole principle and finite sequences
added 162 characters in body
Jun
4
answered Questions for first year students at the University.
Jun
4
comment Reiman theorem in extremal graph theory
what is a quadrilateral... a $C_4$ (4-cycle)?
Jun
4
answered Prove that if $f:G \longrightarrow G'$ is a group homomorphism, $f(x)^{-1} = f(x^{-1})$ for all $x \in G$
Jun
4
comment Relations counting in two sets
Oh, yes, my bad. Thank you very much.
Jun
4
revised Relations counting in two sets
added 2 characters in body
Jun
4
comment Proving transitivity of $\vDash$ and and $\vdash$
what does |= and |- mean?
Jun
4
answered Pigeonhole principle and finite sequences
Jun
4
answered Relations counting in two sets
Jun
4
comment Can you give me a visual representation on 1/6 of 4/5 to get 4/30?
@MPW that's nice, how did you do it?
Jun
4
comment When to give up on a hard math problem?
Ha-ha, my experience with this is bitter-sweet, sometimes I think I have a solution in my sleep, and when I wake up and recreate it I realize it was a load of baloney.
Jun
4
comment Fast way to order numbers
Yes, I think calvin wants you to look at that what he wrote, think about it, and deduce the answer yourself.
Jun
4
revised When to give up on a hard math problem?
edited body
Jun
4
answered When to give up on a hard math problem?