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feat: the equational criterion for flatness

Open trivial1711 opened this issue 9 months ago • 5 comments

We prove the equational criterion for flatness. As a consequence, every homomorphism from a finitely presented module to a flat module factors through a finite free module.


  • [x] depends on: #12647

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trivial1711 avatar May 05 '24 00:05 trivial1711