Commit 2021-01-05 18:04 d1b2d6eb
View on Github →fix(linear_algebra/tensor_algebra): Correct the precedence of ⊗ₜ[R] (#5619)
Previously, a ⊗ₜ[R] b = c was interpreted as a ⊗ₜ[R] (b = c) which was nonsense because eq is not in Type.
I'm not sure whether :0 is necessary, but it seems harmless.
The :100 is the crucial bugfix here.