user41419
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 Jan 30 awarded Informed Jan 30 asked Explaining how $n = 2^r$ for $n$ prime Jan 23 asked Powers of a greatest common denominator Jan 16 accepted Is it always true that if $\gcd(a,b)=1$ then $\gcd(ab, c) = \gcd(a, c)\gcd(b, c)$? Jan 16 accepted Proving $\gcd(a, c) = \gcd(b, c)$ for $a + b = c^2$ Jan 16 asked Proving $\gcd(a, c) = \gcd(b, c)$ for $a + b = c^2$ Jan 16 asked Is it always true that if $\gcd(a,b)=1$ then $\gcd(ab, c) = \gcd(a, c)\gcd(b, c)$? Dec 6 accepted Orders of a symmetric group Dec 5 comment Orders of a symmetric group I see. It is much clearer to me now! Likewise, the total number of elements of order 5 is $\frac{5 \times 4 \times 3 \times 2 \times 1}{5} = 24$, yes? Thank you for the help! Dec 5 accepted Finding all elements of a given order for a group Dec 5 asked Orders of a symmetric group Dec 5 asked Finding all elements of a given order for a group Nov 21 accepted Finding all partial order relations on a set Nov 21 comment Finding all partial order relations on a set Thanks for the source! It looks rather useful. I'll definitely remember it! Nov 21 comment Finding all partial order relations on a set The 3 element set is much clearer to me now. Thank you very much for the detailed answer! I tried finding all Hasse diagrams for the 4 element set, but I can only think of 12 types. (I drew them by hand, so it is difficult to display them on here.) Is there some list of diagrams I can compare mine to, to see which ones I missed? Nov 21 awarded Commentator Nov 21 comment Finding all partial order relations on a set My bad, I just selected finite small sets off the top of my head. I suppose we could just then consider the 3 and 4 element sets? (Since I know the 0, 1, and 2 element sets are trivial.) Nov 21 asked Finding all partial order relations on a set Nov 13 asked Proving properties of a given function Oct 31 accepted Finding the equivalence class of a relation