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define opposites even if just have cayley table.

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Glen Whitney 2017-10-30 11:53:35 -04:00
parent 2dcde99549
commit 4c2817b04f
1 changed files with 5 additions and 0 deletions
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5
gap/quasigroups.gi
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@ -866,6 +866,11 @@ InstallMethod( Opposite, "for magma",
M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) ) M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) )
); );
InstallMethod( Opposite, "for magma",
[ IsMagma and HasCayleyTable], # mult table easy if Cayley table there
M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) )
);
############################################################################# #############################################################################
## DISPLAYING QUASIGROUPS AND LOOPS ## DISPLAYING QUASIGROUPS AND LOOPS
## ------------------------------------------------------------------------- ## -------------------------------------------------------------------------