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Commit 2021-06-04 09:53 1a62bb4c

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feat(linear_algebra): strong rank condition implies rank condition (#7683)

Estimated changes

Modified src/data/finsupp/basic.lean

added theorem finsupp.congr_fun

added theorem finsupp.equiv_fun_on_fintype_single

added theorem finsupp.equiv_fun_on_fintype_symm_single

Modified src/linear_algebra/basic.lean

added theorem finsupp.linear_equiv_fun_on_fintype_single

added theorem finsupp.linear_equiv_fun_on_fintype_symm_single

Modified src/linear_algebra/basis.lean

Modified src/linear_algebra/finsupp.lean

added theorem linear_map.left_inverse_splitting_of_finsupp_surjective

added theorem linear_map.left_inverse_splitting_of_fun_on_fintype_surjective

added def linear_map.splitting_of_finsupp_surjective

added theorem linear_map.splitting_of_finsupp_surjective_injective

added theorem linear_map.splitting_of_finsupp_surjective_splits

added def linear_map.splitting_of_fun_on_fintype_surjective

added theorem linear_map.splitting_of_fun_on_fintype_surjective_injective

added theorem linear_map.splitting_of_fun_on_fintype_surjective_splits

Modified src/linear_algebra/invariant_basis_number.lean