Structure

torsion functor

Notation T:Ab→AbT: \Ab \to \Ab Domain category of abelian groupsCodomain category of abelian groups Related TpT_p External nLab link
This functor maps an abelian group AA to its torsion subgroup T(A)≔{a∈A:∃n≥1 (na=0)}.T(A) \coloneqq \{a \in A : \exists n \geq 1 \, (na = 0)\}.

Satisfied properties

Assigned properties

Deduced properties

Unsatisfied properties

Assigned properties

Deduced properties*

*This also uses the deduced satisfied properties.

Unknown properties

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