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small amendments.

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Glen Whitney 2017-10-30 12:30:15 -04:00
parent 03d80d9acb
commit 1cf79a02c3
2 changed files with 5 additions and 5 deletions
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4
gap/elements.gi
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@ -32,14 +32,14 @@ InstallMethod( \=, "for two elements of a quasigroup",
IsIdenticalObj, IsIdenticalObj,
[ IsQuasigroupElmRep, IsQuasigroupElmRep ], [ IsQuasigroupElmRep, IsQuasigroupElmRep ],
function( x, y ) function( x, y )
return FamilyObj( x ) = FamilyObj( y ) and x![ 1 ] = y![ 1 ]; return x![ 1 ] = y![ 1 ];
end ); end );
InstallMethod( \<, "for two elements of a quasigroup", InstallMethod( \<, "for two elements of a quasigroup",
IsIdenticalObj, IsIdenticalObj,
[ IsQuasigroupElmRep, IsQuasigroupElmRep ], [ IsQuasigroupElmRep, IsQuasigroupElmRep ],
function( x, y ) function( x, y )
return FamilyObj( x ) = FamilyObj( y ) and x![ 1 ] < y![ 1 ]; return x![ 1 ] < y![ 1 ];
end ); end );
InstallMethod( \., "for quasigroup and positive integer", InstallMethod( \., "for quasigroup and positive integer",

6
gap/quasigroups.gi
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@ -866,9 +866,9 @@ InstallMethod( Opposite, "for magma",
M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) ) M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) )
); );
InstallMethod( Opposite, "for magma", InstallMethod( Opposite, "for quasigroup",
[ IsMagma and HasCayleyTable], # mult table easy if Cayley table there [ IsQuasigroup ], # Might not have a multiplication table
M -> ConstructorFromTable(M)( TransposedMat( MultiplicationTable( M ) ) ) M -> ConstructorFromTable(M)( TransposedMat( CayleyTable( M ) ) )
); );
############################################################################# #############################################################################