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Mark
2023-05-11 20:05:02 -07:00
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Advanced/Definable Sets/parts/1 structures.tex
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@ -9,7 +9,7 @@ A \textit{universe} is a set of meaningless objects. Here are a few examples:
\end{itemize}
\definition{}
A \textit{structure} consists of a universe $U$ and set of symbols. \par
A \textit{structure} consists of a universe $U$ and a set of symbols. \par
A structure's symbols give meaning to the objects in its universe.
\vspace{2mm}
@ -35,8 +35,6 @@ The equality check $=$ is \textbf{not} a relation symbol. It is included in ever
\example{}
\def\structgeneric{\ensuremath{}}
The first structure we'll look at is the following:
$$
\Bigl( \mathbb{Z} ~\big|~ \{0, 1, +, -, <\} \Bigr)