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Use more elementary constructor to make trivial quandle

This commit is contained in:
Glen Whitney 2017-10-29 19:19:50 -04:00
parent ca66c4dae4
commit 39371b7e0a
1 changed files with 4 additions and 2 deletions
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6
gap/constructions.gi
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@ -72,9 +72,11 @@ RigthTrivs@ := [];
InstallGlobalFunction(TrivialLeftQuandle, InstallGlobalFunction(TrivialLeftQuandle,
function(n) function(n)
local I; local trivs, I;
if not IsBound(LeftTrivs@[n]) then if not IsBound(LeftTrivs@[n]) then
I := AsLeftQuandle(List([1..n], LInertum@)); trivs := List([1..n], LInertum@);
I := LeftQuandleNC(CollectionsFamily(LInertumFamily@), trivs);
SetAsSSortedList(I, trivs);
SetIsTrivial(I, true); SetIsTrivial(I, true);
SetIsBuiltFromMultiplicationTable(I, true); SetIsBuiltFromMultiplicationTable(I, true);
SetMultiplicationTable(I, ListWithIdenticalEntries(n, [1..n])); SetMultiplicationTable(I, ListWithIdenticalEntries(n, [1..n]));