Add hyperref linking and fix other refs.

Bookshelf/Enderton/Logic.tex

@@ -13,7 +13,7 @@
 \renewcommand\thechapter{R}
 
 \chapter{Reference}%
-\label{chap:reference}
+\hyperlabel{chap:reference}
 
 \endgroup
 
@@ -21,10 +21,10 @@
 \setcounter{chapter}{0}
 \addtocounter{chapter}{-1}
 \chapter{Useful Facts About Sets}%
-\label{chap:useful-facts-about-sets}
+\hyperlabel{chap:useful-facts-about-sets}
 
 \section{\sorry{Lemma 0A}}%
-\label{sec:lemma-0a}
+\hyperlabel{sec:lemma-0a}
 
 Assume that $\langle x_1, \ldots, x_m \rangle =
   \langle y_1, \ldots, y_m, \ldots, y_{m+k} \rangle$.

Common/Real/Sequence.tex

@@ -10,15 +10,15 @@
 \tableofcontents
 
 \section{Summations}%
-\label{sec:summations}
+\hyperlabel{sec:summations}
 
 \subsection{\verified{Arithmetic Series}}%
-\label{sub:sum-arithmetic-series}
+\hyperlabel{sub:sum-arithmetic-series}
 
 Let $(a_i)_{i \geq 0}$ be an arithmetic sequence with common difference $d$.
   Then for some $n \in \mathbb{N}$,
   \begin{equation}
-    \label{sub:sum-arithmetic-series-eq1}
+    \hyperlabel{sub:sum-arithmetic-series-eq1}
     \sum_{i=0}^n a_i = \frac{(n + 1)(a_0 + a_n)}{2}.
   \end{equation}
 
@@ -30,7 +30,7 @@ Let $(a_i)_{i \geq 0}$ be an arithmetic sequence with common difference $d$.
   Let $(a_i)_{i \geq 0}$ be an arithmetic sequence with common difference $d$.
   By definition, for all $k \in \mathbb{N}$,
     \begin{equation}
-      \label{sub:sum-arithmetic-series-eq2}
+      \hyperlabel{sub:sum-arithmetic-series-eq2}
       a_k = (a_0 + kd).
     \end{equation}
   Define predicate $P(n)$ as "identity \eqref{sub:sum-arithmetic-series-eq1}
@@ -73,12 +73,12 @@ Let $(a_i)_{i \geq 0}$ be an arithmetic sequence with common difference $d$.
 \end{proof}
 
 \subsection{\verified{Geometric Series}}%
-\label{sub:sum-geometric-series}
+\hyperlabel{sub:sum-geometric-series}
 
 Let $(a_i)_{i \geq 0}$ be a geometric sequence with common ratio $r \neq 1$.
   Then for some $n \in \mathbb{N}$,
   \begin{equation}
-    \label{sub:sum-geometric-series-eq1}
+    \hyperlabel{sub:sum-geometric-series-eq1}
     \sum_{i=0}^n a_i = \frac{a_0(1 - r^{n+1})}{1 - r}.
   \end{equation}
 
@@ -90,7 +90,7 @@ Let $(a_i)_{i \geq 0}$ be a geometric sequence with common ratio $r \neq 1$.
   Let $(a_i)_{i \geq 0}$ be a geometric sequence with common ratio $r \neq 1$.
   By definition, for all $k \in \mathbb{N}$,
     \begin{equation}
-      \label{sub:sum-geometric-series-eq2}
+      \hyperlabel{sub:sum-geometric-series-eq2}
       a_k = a_0r^k.
     \end{equation}
   Define predicate $P(n)$ as "identity \eqref{sub:sum-geometric-series-eq1}

preamble.tex

@@ -38,6 +38,9 @@
 
 \hypersetup{colorlinks=true, linkcolor=blue, urlcolor=blue}
 \newcommand{\textref}[1]{\text{\nameref{#1}}}
+\newcommand{\hyperlabel}[1]{%
+  \label{#1}%
+  \hypertarget{#1}{}}
 
 \newcommand\@leanlink[4]{%
   \textcolor{blue}{$\pmb{\exists}\;{-}\;$}\href{#1/#2.html\##3}{#4}}