8.6 Properties of the 2-Category of Relations With Apartness Composition

  • Subsection 8.6.1: Self-Duality
    • Proposition 8.6.1.1.1: Self-Duality for the (2-)Category of Relations With Apartness Composition
  • Subsection 8.6.2: Isomorphisms and Equivalences
    • Lemma 8.6.2.1.1: Conditions Involving a Relation and Its Converse II
    • Remark 8.6.2.1.2: Unwinding Lemma 8.6.2.1.1
    • Proposition 8.6.2.1.3: Isomorphisms and Equivalences in $\boldsymbol {\mathsf{Rel}}^{\mathord {\mathbin {\square }}}$
  • Subsection 8.6.3: Internal Adjunctions
    • Proposition 8.6.3.1.1: Adjunctions in $\boldsymbol {\mathsf{Rel}}^{\mathord {\mathbin {\square }}}$
  • Subsection 8.6.4: Internal Monads
    • Proposition 8.6.4.1.1: Internal Monads in $\boldsymbol {\mathsf{Rel}}^{\mathord {\mathbin {\square }}}$
  • Subsection 8.6.5: Internal Comonads
    • Proposition 8.6.5.1.1: Internal Comonads in $\boldsymbol {\mathsf{Rel}}^{\mathord {\mathbin {\square }}}$
    • Example 8.6.5.1.2: Density Comonads in $\boldsymbol {\mathsf{Rel}}$
  • Subsection 8.6.6: Modules Over Internal Monads
  • Subsection 8.6.7: Comodules Over Internal Comonads
  • Subsection 8.6.8: Eilenberg–Moore and Kleisli Objects
  • Subsection 8.6.9: Monomorphisms
  • Subsection 8.6.10: 2-Categorical Monomorphisms
  • Subsection 8.6.11: Epimorphisms
  • Subsection 8.6.12: 2-Categorical Epimorphisms
  • Subsection 8.6.13: Co/Limits
  • Subsection 8.6.14: Internal Left Kan Extensions
  • Subsection 8.6.15: Internal Left Kan Lifts
  • Subsection 8.6.16: Internal Right Kan Extensions
  • Subsection 8.6.17: Internal Right Kan Lifts
  • Subsection 8.6.18: Coclosedness

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