=ADD= =reftype= 14 =number= 97-25 =url= ftp://ftp.risc.uni-linz.ac.at/pub/techreports/1997/97-25.ps.gz =year= 1997 =author= Schicho; Josef =title= A Note on a Theorem of Fried and MacRae =howpublished= Arch. Math. (65), 1995, pp 239--243 =month= 10 =abstract= A theorem of Fried and MacRae will be proved and generalized with categorical methods. =location= 2 =owner= 2 =source= 3