invariants: change notation in Bases' Children

[topbloke-formulae.git] / invariants.tex

diff --git a/invariants.tex b/invariants.tex
index 3134e5c9cde1d48718b1cfb70d883a9e624c0283..28647658cb30190e30a2f93a658757a81f8ddf59 100644 (file)
--- a/invariants.tex
+++ b/invariants.tex
@@ -29,9 +29,9 @@ We maintain these each time we construct a new commit. \\
     D \le C \implies \isforeign{D}
 }\]
 \[\eqn{Bases' Children}{
-  C \hasparent D \land D \in \pn
+  C \hasparent D \land D \in \pdn
     \implies
-  C \in \pn \lor C \in \py
+  C \in \pdn \lor C \in \pdy
 }\]
 
 We also assign each new commit $C$ to zero or one of the sets $\p$, as