Theorems · Theorem · commutative algebra
Submodule.mem_mul_span_singleton
∀ {R : Type u} [inst : CommSemiring R] {A : Type v} [inst_1 : Semiring A] [inst_2 : Algebra R A] {P : Submodule R A}
{x y : A}, x ∈ P * (R ∙ y) ↔ ∃ z ∈ P, z * y = x- Defined in
- Mathlib.Algebra.Algebra.Operations
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 72 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- CommSemiringSemiringAlgebra
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites10
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement · cited by 53,352
- Semiringstatement and proof · cited by 13,802
- Algebrastatement and proof · cited by 11,388
- CommSemiringstatement and proof · cited by 10,911
- Submodulestatement and proof · cited by 7,192
- Submodule.spanstatement · cited by 1,504
- LinearMap.mulproof · cited by 61
- LinearMap.mul_apply_applyproof · cited by 25
- Submodule.mul_eq_map₂proof · cited by 6
- Submodule.map₂_span_singleton_eq_map_flipproof · cited by 1
Cited by2
Results whose statement or proof uses this declaration.
- Submodule.range_unitsToPicproof · cited by 4
- FractionalIdeal.isPrincipal_of_unit_of_comap_mul_span_singleton_eq_topproof · cited by 1