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antisymmetric


antisymmetric


  1  definition  found 
 
  From  The  Free  On-line  Dictionary  of  Computing  (13  Mar  01)  [foldoc]: 
 
  antisymmetric 
 
    A  {relation}  R  is  antisymmetric  if 
 
  for  all  x  and  y,  x  R  y  and  y  R  x  =>  x  ==  y. 
 
  I.e.  no  two  different  elements  are  mutually  related. 
 
  {Partial  orders}  and  {total  orders}  are  antisymmetric.  If  R 
  is  also  {symmetric}  (x  R  y  =>  y  R  x)  then  x  R  y  =>  x  ==  y. 
  I.e.  different  elements  are  not  related. 
 
  (1995-04-18)