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seen Dec 10 '13 at 16:12

May
22
comment Proving combinatoric identity using the inclusion-exclusion principle
Thanks a lot! :)
May
22
accepted Proving combinatoric identity using the inclusion-exclusion principle
May
22
asked Proving combinatoric identity using the inclusion-exclusion principle
May
22
accepted Using sum of logarithms of primes to prove the number of primes up to $n$ is $O(n/\log n)$
Mar
24
comment Using sum of logarithms of primes to prove the number of primes up to $n$ is $O(n/\log n)$
When I searched some through the net ive found many proofs, but none of them was elementary. The point in my question is to prove it using what I proved in the first exercise. I think it should be pretty elementary. If you have any hints on what I can do from here it will be very helpful.
Mar
24
asked Using sum of logarithms of primes to prove the number of primes up to $n$ is $O(n/\log n)$
Dec
30
awarded  Supporter
Dec
30
comment Sum of consecutive sub-sequence of 100 natural numbers divides 100 (equals 0 mod 100)
Thanks a lot :)
Dec
30
accepted Sum of consecutive sub-sequence of 100 natural numbers divides 100 (equals 0 mod 100)
Dec
30
asked Sum of consecutive sub-sequence of 100 natural numbers divides 100 (equals 0 mod 100)
Dec
14
asked Is the validity of the Skolemization of a sentence A infers the validity of A?
Sep
17
awarded  Student
Sep
17
awarded  Scholar
Sep
17
accepted Intersection between a function and its derivative
Sep
17
comment Intersection between a function and its derivative
Thanks a lot :)
Sep
17
asked Intersection between a function and its derivative