strategy: define W in Notation

[topbloke-formulae.git] / strategy.tex

diff --git a/strategy.tex b/strategy.tex
index e12ff66afbbdc142eb4001b2778387735bfccd0f..27c9fd82b98d79868af1d126318e16004d42c2ae 100644 (file)
--- a/strategy.tex
+++ b/strategy.tex
@@ -61,6 +61,12 @@ These are the heads which will be merged and used in this update.
 This will include the current local and remote git refs, as desired.
 Obtained from the function $h$ (see below).
 
+\item[ $W$ ]
+
+During the Traversal phase, when we generate new commits, the working
+head of the branch we are working on.  Starts at $W_0$, updated as the
+algorithm progresses, and ultimately used to set $T$.
+
 %\item[ $\set E_{\pc}$ ]
 %$ \bigcup_i \pendsof{S_{\pc,i}}{\pc} $.
 %All the ends of $\pc$ in the sources.
@@ -84,7 +90,7 @@ all of its dependencies will be updated.
 \item[ $h : \pc^{+/-} \mapsto \set H^{\pc^{+/-}}$ ]
 Function for getting the existing heads $\set H$ of the branch $\pc^{+/-}$.
 
-\item[ $w : \pc^{+/-} \mapsto \set W_0^{\pc^{+/-}}$ ]
+\item[ $w : \pc^{+/-} \mapsto W_0^{\pc^{+/-}}$ ]
 
 Function for getting the existing local head of the branch
 $\pc^{+/-}$.  I.e., the current value of the branch ref for $\pc^{+/-}$.