Theorems · Theorem · commutative algebra
Function.Injective.isDomain
∀ {α : Type u_1} {β : Type u_2} [inst : Semiring α] [IsDomain α] [inst_2 : Semiring β] {F : Type u_3}
[inst_3 : FunLike F β α] [MonoidWithZeroHomClass F β α] (f : F), Function.Injective ⇑f → IsDomain βPullback IsDomain instance along an injective function.
- Defined in
- Mathlib.Algebra.Ring.Hom.InjSurj
- Cited by
- 27 results in Mathlib
- Foundations
- Depth 13 from the axioms · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites12
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
- Semiringstatement and proof · cited by 13,802
- FunLikestatement and proof · cited by 2,560
- Nontrivialproof · cited by 2,416
- IsDomainstatement and proof · cited by 2,196
- map_zeroproof · cited by 1,614
- map_mulproof · cited by 1,137
- map_oneproof · cited by 861
- IsCancelMulZeroproof · cited by 177
- MonoidWithZeroHomClassstatement and proof · cited by 37
- Function.Injective.isCancelMulZeroproof · cited by 4
- domain_nontrivialproof · cited by 2
Cited by27
Results whose statement or proof uses this declaration.
- IsDomain.of_faithfulSMulproof · cited by 10
- Ring.ordFrac_eq_ordproof · cited by 4
- isFractionRing_of_exists_eq_algebraMap_or_inv_eq_algebraMap_of_injectiveproof · cited by 2
- NumberField.not_dvd_discr_iff_forall_liesOverproof · cited by 2
- Valuation.Integers.maximalIdeal_eq_setOfPred_le_v_algebraMapstatement and proof · cited by 2
- Valuation.Integers.maximalIdeal_pow_eq_setOfPred_le_v_algebraMap_powstatement and proof · cited by 2
- Subalgebra.LinearDisjoint.isDomainproof · cited by 2
- NumberField.exists_not_isUnramifiedAt_intproof · cited by 2
- Algebra.TensorProduct.nontrivial_of_algebraMap_injective_of_isDomainproof · cited by 1
- Algebra.TensorProduct.not_isField_of_transcendentalproof · cited by 1
- Valuation.Integers.isPrincipalIdealRing_iff_not_denselyOrderedproof · cited by 1
- IsGaloisGroup.fixingSubgroup_range_algebraMapproof · cited by 1