sorry, forgot the following > > perm=: [EMAIL PROTECTED] A. i. NB. of course, I copied that too from > Essays/Permutations perms =: perm 6 > b =: parity "1 perm 6 replace by b=: parity "1 perms > A6 =: b#perms NB. set of even permutations @@i <=> Arie
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