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Fix component in triangular identities

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Bartosz Milewski 2018-07-09 22:10:54 -07:00
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commit d2c28bbf16
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src/content/3.2/Adjunctions.tex
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@ -179,7 +179,7 @@ transformations, and their composition is the horizontal composition of
natural transformations. In components, these identities become:
\begin{gather*}
\varepsilon_{L d} \circ L \eta_d = \id_{L d} \\
R \varepsilon_c \circ \eta_{R c} = \id_{R c}
R \varepsilon_{c'} \circ \eta_{R c} = \id_{R c}
\end{gather*}
We often see unit and counit in Haskell under different names. Unit is
known as \code{return} (or \code{pure}, in the definition of