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-rw-r--r-- | doc/refman/Setoid.tex | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/doc/refman/Setoid.tex b/doc/refman/Setoid.tex index 2c9602a22..6c7928438 100644 --- a/doc/refman/Setoid.tex +++ b/doc/refman/Setoid.tex @@ -156,9 +156,9 @@ compatibility constraints. \begin{cscexample}[Rewriting] Continuing the previous examples, suppose that the user must prove \texttt{set\_eq int (union int (union int S1 S2) S2) (f S1 S2)} under the -hypothesis \texttt{H: set\_eq int S2 (nil int)}. It is possible to +hypothesis \texttt{H: set\_eq int S2 (@nil int)}. It is possible to use the \texttt{rewrite} tactic to replace the first two occurrences of -\texttt{S2} with \texttt{nil int} in the goal since the context +\texttt{S2} with \texttt{@nil int} in the goal since the context \texttt{set\_eq int (union int (union int S1 nil) nil) (f S1 S2)}, being a composition of morphisms instances, is a morphism. However the tactic will fail replacing the third occurrence of \texttt{S2} unless \texttt{f} |