/usr/share/axiom-20170501/src/algebra/ATJACID.spad is in axiom-source 20170501-3.
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1 2 3 4 5 6 7 8 | )abbrev category ATJACID JacobiIdentityAttribute
++ Description:
++ JacobiIdentity means that \spad{[x,[y,z]]+[y,[z,x]]+[z,[x,y]] = 0} holds.
++ See LieAlgebra.
JacobiIdentityAttribute() : Category == SIG where
SIG ==> with nil
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