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Theorem
Submodule.projective_of_isUnit
Modification history
2026-01-11 09:23
Mathlib/RingTheory/PicardGroup.lean
feat(RingTheory): Picard group of a domain is isomorphic to ClassGroup (#30736)
Deleted
Submodule.projective_of_isUnit
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2025-08-16 08:07
Mathlib/RingTheory/PicardGroup.lean
feat(RingTheory): invertible modules and Picard group (#25337)
Added
Submodule.projective_of_isUnit
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