Have been interested in similar abstractions, take a look at contravarient and covariant tensors. Great in depth on Tensors and relational ML databases: (1) ht

Have been interested in similar abstractions, take a look at contravarient and covariant tensors. Great in depth on Tensors and relational ML databases: (1) https://bjlkeng.github.io/posts/tensors-tensors-tensors/ https://bjlkeng.github.io/posts/tensors-tensors-tensors/