\[\eqn{Coherence:}{
\bigforall_{C,\p} C \haspatch \p \lor C \nothaspatch \p
}\]
+\[\eqn{Unique Tips:}{
+ \bigforall_{C,\p} C \haspatch \p \implies \pendsof{C}{\p} = \{ T \}
+}\]
\[\eqn{Foreign Inclusion:}{
\bigforall_{D \text{ s.t. } \patchof{D} = \bot} D \isin C \equiv D \leq C
}\]
D \le C \implies \patchof{D} = \bot
}\]
+We also assign each new commit $C$ to zero or one of the sets $\p$, as
+stated in the definition of $\patchof{C}$ in the summary for each kind
+of commit.
+
A commit $C$ which satisfies all of the above is said to be
``conformant''.