strategy: wip proofs

[topbloke-formulae.git] / notation.tex

diff --git a/notation.tex b/notation.tex
index bee8eff2615d1937d73e44f305921410f392306b..48ea1b7e2ceec9002f67b2d41335e5c227b69f25 100644 (file)
--- a/notation.tex
+++ b/notation.tex
@@ -33,12 +33,16 @@ is to be taken as applying to both $\py$ and $\pn$.
 All of these sets will be disjoint by construction
 (see Invariants, below).  Hence:
 
+\item[ $\foreign$ ]
+The set of all commits which are not part of a Topbloke branch.  We
+call these foreign commits.
+
 \item[ $\set A$, $\set P$, $\ldots$ ]
 Arbitrary sets of commits.  Maybe $\set P = \p$ i.e.\ some $\py$ or $\pn$, but
 maybe not.
 
 \item[ $ \patchof{ C } $ ]
-Either $\p$ s.t. $ C \in \p $, or $\bot$.
+Either $\p$ s.t. $ C \in \p $, or $\foreign$.
 A function from commits to patches' sets $\p$.
 
 \item[ $ \pancsof{C}{\set P} $ ]