Theorems · Theorem · linear algebra
Submodule.mem_sSup_of_directed
∀ {R : Type u_1} {M : Type u_4} [inst : Semiring R] [inst_1 : AddCommMonoid M] [inst_2 : Module R M]
{s : Set (Submodule R M)} {z : M}, s.Nonempty → DirectedOn (fun x1 x2 => x1 ≤ x2) s → (z ∈ sSup s ↔ ∃ y ∈ s, z ∈ y)- Defined in
- Mathlib.LinearAlgebra.Span.Defs
- Cited by
- 6 results in Mathlib
- Foundations
- Depth 70 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- SemiringAddCommMonoidModule
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites13
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Setstatement and proof · cited by 53,352
- Modulestatement and proof · cited by 20,661
- Semiringstatement and proof · cited by 13,802
- AddCommMonoidstatement and proof · cited by 12,281
- Submodulestatement and proof · cited by 7,192
- Set.Elemproof · cited by 7,166
- Set.Nonemptystatement and proof · cited by 2,627
- SupSet.sSupstatement · cited by 954
- DirectedOnstatement and proof · cited by 271
- Set.Nonempty.to_subtypeproof · cited by 55
- sSup_eq_iSup'proof · cited by 38
- DirectedOn.directed_valproof · cited by 36
Cited by6
Results whose statement or proof uses this declaration.
- Ideal.radical_eq_sInfproof · cited by 21
- Submodule.singleton_span_isCompactElementproof · cited by 4
- LinearPMap.mem_domain_sSup_iffproof · cited by 2
- Ideal.nonPrincipals_zornproof · cited by 1
- RieszExtension.exists_topproof · cited by 1
- IsNoetherianRing.of_primeproof · cited by 1