Subsection 6.3.12 (00MG): Kan Extensions and Kan Lifts in $\textbf{Rel}$

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Table of Contents
Part 2: Relations
Chapter 6: Relations
Section 6.3: Properties of the $2$-Category of Relations
Subsection 6.3.12: Kan Extensions and Kan Lifts in $\textbf{Rel}$ (cite)

6.3.12 Kan Extensions and Kan Lifts in $\textbf{Rel}$

Remark 6.3.12.1.1 ▶ Kan Extensions and Kan Lifts in $\textbf{Rel}$

The $2$-category $\textbf{Rel}$ admits all right Kan extensions and right Kan lifts, though not all left Kan extensions and neither does it admit all left Kan lifts. See Chapter 7: Constructions With Relations, Section 7.2 for a detailed discussion of this.

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