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Commit 2021-12-25 05:51 f9561d40

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feat(ring_theory/localization): The localization at a fg submonoid is of finite type. (#10990)

Estimated changes

Modified src/ring_theory/localization.lean

added def is_localization.equiv_inv_submonoid

added theorem is_localization.finite_type_of_monoid_fg

added def is_localization.inv_submonoid

added theorem is_localization.mem_inv_submonoid_iff_exists_mk'

added theorem is_localization.mul_to_inv_submonoid

added theorem is_localization.smul_to_inv_submonoid

added theorem is_localization.span_inv_submonoid

added theorem is_localization.submonoid_map_le_is_unit

added theorem is_localization.surj'

added def is_localization.to_inv_submonoid

added theorem is_localization.to_inv_submonoid_eq_mk'

added theorem is_localization.to_inv_submonoid_mul

added theorem is_localization.to_inv_submonoid_surjective