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Commit 2020-06-16 17:08 ae6bf562

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feat(ring_theory/tensor_product): tensor product of algebras (#3050) The R-algebra structure on the tensor product of two R-algebras.

Estimated changes

modified theorem linear_equiv.coe_coe
modified theorem linear_equiv.coe_to_equiv
added theorem linear_equiv.mk_apply
added theorem alg_equiv.coe_alg_hom
added theorem alg_equiv.mk_apply
added theorem alg_equiv.to_fun_apply
modified theorem alg_hom.ext
added theorem alg_hom.ext_iff