Theorems · Theorem · commutative algebra
Module.Flat.lTensor_exact
∀ {R : Type u} (M : Type v) [inst : CommRing R] [inst_1 : AddCommGroup M] [inst_2 : Module R M] [Module.Flat R M]
⦃N : Type u_1⦄ ⦃N' : Type u_2⦄ ⦃N'' : Type u_3⦄ [inst_4 : AddCommGroup N] [inst_5 : AddCommGroup N']
[inst_6 : AddCommGroup N''] [inst_7 : Module R N] [inst_8 : Module R N'] [inst_9 : Module R N''] ⦃f : N →ₗ[R] N'⦄
⦃g : N' →ₗ[R] N''⦄, Function.Exact ⇑f ⇑g → Function.Exact ⇑(LinearMap.lTensor M f) ⇑(LinearMap.lTensor M g)If M is flat then M ⊗ - is an exact functor.
- Defined in
- Mathlib.RingTheory.Flat.Basic
- Cited by
- 7 results in Mathlib
- Foundations
- Depth 103 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites38
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- DFunLike.coestatement and proof · cited by 62,936
- Modulestatement and proof · cited by 20,661
- RingHom.idstatement and proof · cited by 18,349
- CommRingstatement and proof · cited by 17,173
- AddCommGroupstatement and proof · cited by 12,871
- LinearMapstatement and proof · cited by 10,215
- TensorProductstatement and proof · cited by 2,545
- HasQuotient.Quotientproof · cited by 2,301
- LinearMap.compproof · cited by 1,642
- map_zeroproof · cited by 1,614
- LinearEquiv.toLinearMapproof · cited by 1,171
- LinearMap.rangeproof · cited by 893
Cited by7
Results whose statement or proof uses this declaration.
- Module.FaithfullyFlat.lTensor_exact_iff_exactproof · cited by 2
- Algebra.Generators.H1Cotangent.exact_liftBaseChange_map_of_flatproof · cited by 1
- Module.Flat.iff_lTensor_exact'proof · cited by 1
- Module.Flat.ker_lTensor_eqproof · cited by 1
- Module.Flat.lTensor_shortComplex_exactproof · cited by 1
- IsBaseChange.of_left_exactproof · cited by 1
- Algebra.Extension.tensorToH1Cotangent_bijective_of_flatproof · cited by 0