operator: find-unique
description:
find-unique[op1, op2, ... , opn]
learn the kets that are unique with respect to the given operator(s)
examples:
-- load our data:
load fred-sam-friends.sw
-- show the common friends between Fred and Sam:
-- (these are the ones that are not unique)
common[friends] split |Fred Sam>
|Jack> + |Emma> + |Charlie>
-- find the unique friends for Fred and Sam:
find-unique[friends]
-- display the results:
dump
----------------------------------------
|context> => |context: friends>
previous |context> => |context: global context>
friends |Fred> => |Jack> + |Harry> + |Ed> + |Mary> + |Rob> + |Patrick> + |Emma> + |Charlie>
unique-friends |Fred> => |Harry> + |Ed> + |Mary> + |Rob> + |Patrick>
friends |Sam> => |Charlie> + |George> + |Emma> + |Jack> + |Rober> + |Frank> + |Julie>
unique-friends |Sam> => |George> + |Rober> + |Frank> + |Julie>
----------------------------------------
see also:
find-inverse, common
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