Proof of proveit.linear_algebra.tensors.tensor_exp_of_cart_exp_inclusion theorem

import proveit
theory = proveit.Theory() # the theorem's theory

%proving tensor_exp_of_cart_exp_inclusion

With these allowed/disallowed theorem/theory presumptions (e.g., to avoid circular dependencies), we begin our proof of
tensor_exp_of_cart_exp_inclusion:
(see dependencies)