Theorems · Definition · commutative algebra
AddCommGroup.DirectLimit
{ι : Type u_2} →
[inst : Preorder ι] →
(G : ι → Type u_3) →
[inst_1 : (i : ι) → AddCommMonoid (G i)] → [DecidableEq ι] → ((i j : ι) → i ≤ j → G i →+ G j) → Type (max u_3 u_2)The direct limit of a directed system is the abelian groups glued together along the maps.
- Defined in
- Mathlib.Algebra.Colimit.Module
- Cited by
- 16 results in Mathlib
- Foundations
- Depth 41 from the axioms · uses propext, Classical.choice, Quot.sound
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites5
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddCommMonoidstatement and proof · cited by 12,281
- Preorderstatement and proof · cited by 7,952
- AddMonoidHomstatement and proof · cited by 3,230
- Module.DirectLimitproof · cited by 41
- AddMonoidHom.toNatLinearMapproof · cited by 8
Cited by20
Results whose statement or proof uses this declaration.
- AddCommGroup.DirectLimit.ofstatement · cited by 13
- AddCommGroup.DirectLimit.hom_extstatement and proof · cited by 5
- AddCommGroup.DirectLimit.liftstatement · cited by 5
- AddCommGroup.DirectLimit.mapstatement and proof · cited by 5
- AddCommGroup.DirectLimit.map_apply_ofstatement and proof · cited by 4
- AddCommGroup.DirectLimit.lift_ofstatement · cited by 3
- AddCommGroup.DirectLimit.congrstatement · cited by 2
- AddCommGroup.DirectLimit.lift.congr_simpstatement · cited by 0
- AddCommGroup.DirectLimit.map.congr_simpstatement · cited by 0
- AddCommGroup.DirectLimit.of.zero_exactstatement · cited by 0
- AddCommGroup.DirectLimit.congr_apply_ofstatement · cited by 0
- AddCommGroup.DirectLimit.congr_symm_apply_ofstatement · cited by 0