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Commit 2019-07-22 19:45 a33315d5

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feat(linear_algebra/dim): findim equivalence (#1217)

  • feat(linear_algebra/dim): findim equivalence
  • feat(linear_algebra/dim): two versions of dim_fun
  • feat(linear_algebra/dim): clean up

Estimated changes

added theorem dim_fin_fun
modified theorem dim_fun
added theorem dim_fun_eq_lift_mul
modified theorem eq_bot_iff_dim_eq_zero
deleted theorem equiv_of_dim_eq_dim
modified theorem injective_of_surjective
added theorem cardinal.mk_prod