"Source: Text/Module/Multilinear.text";
"Line: 237";
"Date: Fri Sep 26 12:10:11 2025";
"Main: Fri Sep 26 14:29:19 2025";
// original file: Text/Module/Multilinear.text, line: 237
// Example: H63E3 ()
print "Example: H63E3";
ei := GetEchoInput();
SetEchoInput(true);
Q := Rationals();
U := VectorSpace(Q, 4);
V := VectorSpace(Q, 4);
W := VectorSpace(Q, 1);  // Vector space, not the field Q
Dot := func< x | x[1]*Matrix(4, 1, Eltseq(x[2])) >;
Tensor([U, V, W], Dot);
Cat := AdjointCategory(3, 2, 1);
Cat;
t := Tensor([U, V, W], Dot, Cat);
t;
TensorCategory(t);
SetEchoInput(ei);
