Thank you Henry

This commit is contained in:
Bokuan Li
2026-10-02 21:11:30 -04:00
parent cd1499704f
commit f859d7e592
+1 -1
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@@ -7,7 +7,7 @@
\begin{enumerate}
\item[(P1)] $\emptyset \in \ce$.
\item[(P2)] For any $A, B \in \ce$, $A \cap B \in \ce$.
\item[(E)] For any $E, F \in \ce$ with $E \subset F$, there exists $\seqf{E_j} \subset \ce$ such that $E \setminus F = \bigsqcup_{j = 1}^n E_j$.
\item[(E)] For any $E, F \in \ce$ with $E \subset F$, there exists $\seqf{E_j} \subset \ce$ such that $F \setminus E = \bigsqcup_{j = 1}^n E_j$.
\end{enumerate}
If $X \in \ce$, then (E) may be replaced with