Theorems · Theorem · group theory
AddCommGroup.le_comap_torsion
∀ {G : Type u_1} {H : Type u_2} [inst : AddCommGroup G] [inst_1 : AddCommGroup H] (f : G →+ H),
AddCommGroup.torsion G ≤ AddSubgroup.comap f (AddCommGroup.torsion H)- Defined in
- Mathlib.GroupTheory.Torsion
- Cited by
- 2 results in Mathlib
- Foundations
- Depth 44 from the axioms · uses propext, Classical.choice, Quot.sound
- Assumes
- AddCommGroupAddCommGroup
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites6
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- AddCommGroupstatement and proof · cited by 12,871
- AddSubgroupstatement · cited by 3,232
- AddMonoidHomstatement and proof · cited by 3,230
- AddSubgroup.comapstatement · cited by 123
- AddCommGroup.torsionstatement · cited by 18
- AddMonoidHom.isOfFinAddOrderproof · cited by 2
Cited by2
Results whose statement or proof uses this declaration.
- AddCommGroup.freeRank_ge_of_surjectiveproof · cited by 0
- AddCommGroup.map_torsion_leproof · cited by 0