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-rw-r--r--spartan/lib/goals.ML2
1 files changed, 1 insertions, 1 deletions
diff --git a/spartan/lib/goals.ML b/spartan/lib/goals.ML
index ce23751..9f394f0 100644
--- a/spartan/lib/goals.ML
+++ b/spartan/lib/goals.ML
@@ -31,7 +31,7 @@ fun prep_statement prep_att prep_stmt raw_elems raw_stmt ctxt =
let
val (stmt, elems_ctxt) = prep_stmt raw_elems raw_stmt ctxt
val prems = Assumption.local_prems_of elems_ctxt ctxt
- val stmt_ctxt = fold (fold (Variable.auto_fixes o fst) o snd)
+ val stmt_ctxt = fold (fold (Proof_Context.augment o fst) o snd)
stmt elems_ctxt
in
case raw_stmt of