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17h
revised A question about angles in the Euclidean plane
added 4 characters in body
1d
revised How to calculate $\frac1n$ sequence?
added 19 characters in body; edited title
1d
revised Determining the intersection of kernel and image.
added 24 characters in body
2d
revised Checkerboard with one gap can be covered by triominos?
edited title
2d
revised Is the language $L$ generated by 'Fibonacci Strings' (as given in the desciption) regular? If not, disprove by Pumping Lemma
added 19 characters in body; edited title
Sep
1
revised Product of countably many 1-dimensional spaces does not have cardinality $\aleph_0$
added 12 characters in body
Aug
31
revised Logic formula translation
added 86 characters in body
Aug
31
revised Logic formula translation
added 42 characters in body
Aug
31
revised In a game of poker, what is the probability that a five-card hand will contain…
added 15 characters in body
Aug
31
revised Understanding of solution for a functional equation.
added 27 characters in body
Aug
30
revised Does the following limit always hold?
deleted 2 characters in body
Aug
30
revised Polynomial tending to infinity
added 9 characters in body
Aug
30
revised Polynomial tending to infinity
added 209 characters in body
Aug
30
revised Is the $n$th derivative of a continuous function also continuous?
edited body; edited title
Aug
30
revised Probability that a natural number is a sum of two squares?
added 149 characters in body
Aug
30
revised Security of such cryptosystem design?
added 16 characters in body
Aug
29
revised Two disjoint compact sets in a topological group
added 15 characters in body
Aug
26
revised Is it impossible to recover multiplication from the division lattice categorically?
edited body
Aug
25
revised How many pairs of natural numbers $(x,y)$, satisfy the equation $\space xy=x+y+\gcd(x,y)$.
edited body
Aug
25
revised How many pairs of natural numbers $(x,y)$, satisfy the equation $\space xy=x+y+\gcd(x,y)$.
edited body