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Freyja
  • Member for 14 years
  • Last seen more than a month ago
  • Oslo, Norway
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Top posts
question
40
Do "imaginary" and "complex" angles exist?
Jan 3, 2012
answer
25
If nine coins are tossed, what is the probability that the number of heads is even?
Mar 4, 2019
question
6
Non-converging Taylor series of $1/(1-x)$
Feb 10, 2012
question
5
How to use Sylow theorems to prove that a subgroup of $SL_2(\mathbb{F}_3)$ is normal.
Mar 18, 2015
answer
3
Implications of redefining base natural logarithm constant e
Mar 14, 2015
question
2
Why is a convex subspace the requirement for equivalence beween subspace and order topologies?
Aug 26, 2015
answer
0
Equivalence: Injective function from natural numbers to a set $X$, and injective but not surjective function from $X$ to $X$
May 23, 2015
answer
0
Find out the color of the the secretly square of a chessboard
Feb 27, 2016
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121
How can I echo the whole content of a .html file in PHP?