Commit c3e98412 authored by Paolo G. Giarrusso's avatar Paolo G. Giarrusso

Add missing precondition

parent a4fc20bc
......@@ -64,7 +64,7 @@ In other words, when working below the except-0 modality, we can \emph{strip
away} the later from timeless propositions. In fact, we can strip away later
from timeless propositions even when working under the later modality:
\begin{mathpar}
\infer{\prop \proves \later \propB}
\infer{\timeless{\prop} \and \prop \proves \later \propB}
{\later\prop \proves \later\propB}
\end{mathpar}
......
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