commentary about exhaustiveness

[topbloke-formulae.git] / notation.tex

diff --git a/notation.tex b/notation.tex
index 04f8c2e7494017f901803559e2340260b5e00625..413305fd86341add556b5d0eec37265e0dab4919 100644 (file)
--- a/notation.tex
+++ b/notation.tex
@@ -49,20 +49,22 @@ $ \pendsof{C}{\pn} = \{ \baseof{C} \} $ where $ C \in \py $.
 A partial function from commits to commits.
 See Unique Base, below.
 
+\item[ $ C \nothaspatch \p $ ]
+$\displaystyle \bigforall_{D \in \py} D \not\isin C $.
+~ Informally, $C$ has none of the contents of $\p$.
+
 \item[ $ C \zhaspatch \p $ ]
 $\displaystyle \bigforall_{D \in \py} D \isin C \equiv D \le C $.
 ~ Informally, $C$ has all the reachable contents of $\p$.
 
 \item[ $ C \haspatch \p $ ]
-$\displaystyle C \zhaspatch \p \land \exists_{D \in \py} D \le C $.
+$\displaystyle C \zhaspatch \p \land \exists_{F \in \py} F \le C $.
 ~ Informally, $C$ nontrivially has all the reachable contents of $\p$.
 
-\item[ $ C \nothaspatch \p $ ]
-$\displaystyle \bigforall_{D \in \py} D \not\isin C $.
-~ Informally, $C$ has none of the contents of $\p$.
-
-Note that $\zhaspatch$ and $\nothaspatch$ are not mutually exclusive.
-$\haspatch$ and $\nothaspatch$ are.
+Note that $\zhaspatch$ and $\nothaspatch$ are neither
+mutually exclusive nor exhaustive.
+$\haspatch$ and $\nothaspatch$ are mutually exclusive but not
+necessarily exhaustive.
 
 Commits on Non-Topbloke branches are $\nothaspatch \p$ for all $\p$.  This
 includes commits on plain git branches made by applying a Topbloke