Homotopy Type Theory power dagger 2-poset > history (Rev #3, changes)

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A power dagger 2-poset is a dagger 2-poset CC such that for every object A:Ob(C)A:Ob(C) there exists an object 𝒫(A)\mathcal{P}(A) called the power object of AA , and a morphism A:Hom(A,𝒫(A))\in_A:Hom(A, \mathcal{P}(A)) called subobject membership in AA, such that for each morphism R:Hom(A,B)R:Hom(A,B), there exists a morphism χ R:(A,P(B))\chi_R:(A,P(B)) called the characteristic morphism such that R=( A B )χ R R = (\in_A^\dagger) (\in_B^\dagger) \circ \chi_R.


The dagger 2-poset of sets and relations is a power dagger 2-poset.

See also

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