The bracket of two elements in the Exterior Extension. This is a method function that accepts pairs from any part of the ExteriorExtension
i1 : ea = exteriorExtension(2, 4, e, QQ);
i2 : A = first ea.bases#0 o2 = | 1 0 0 0 | | 0 -1 0 0 | | 0 0 0 0 | | 0 0 0 0 | 4 4 o2 : Matrix QQ <-- QQ
i3 : B = last ea.bases#1 o3 = e e 2 3 o3 : QQ[e ..e ] 0 3
i4 : C = ea.bracket(A, B) o4 = 0 o4 : QQ[e ..e ] 0 3
The object bracket is a symbol.
The source of this document is in ExteriorExtensions.m2:545:0.