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-rw-r--r--src/theory/sets/theory_sets.cpp3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/theory/sets/theory_sets.cpp b/src/theory/sets/theory_sets.cpp
index ee23aae49..f3ad57535 100644
--- a/src/theory/sets/theory_sets.cpp
+++ b/src/theory/sets/theory_sets.cpp
@@ -132,7 +132,8 @@ void TheorySets::preRegisterTerm(TNode node)
TrustNode TheorySets::expandDefinition(Node n)
{
- return d_internal->expandDefinition(n);
+ // we currently do not expand any set operators
+ return TrustNode::null();
}
TrustNode TheorySets::ppRewrite(TNode n, std::vector<SkolemLemma>& lems)
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