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+## Summary
+<!--Explain briefly what goes wrong and explain why you believe this is a bug and not the intended behavior of SQLite (if it is not a crash).-->
+We believe the query is already reduced. The issue for this bug is most likely the "BETWEEN" keyword
+
+## Minimized query
+
+```sql
+CREATE TABLE t0(c0);
+INSERT INTO t0(c0) VALUES (NULL);
+CREATE INDEX i0 ON t0(1) WHERE c0 NOT NULL;
+SELECT 1 FROM t0 WHERE (t0.c0 IS FALSE) IS FALSE;
+SELECT 1 FROM t0 WHERE (t0.c0 IS FALSE) BETWEEN FALSE AND TRUE;
+
+```
+
+## Actual output
+
+```sql
+1
+```
+
+## Expectation
+
+```sql
+1
+1
+```
+
+## Flag
+
+```
+
+```
+