re-organize muz_qe into separate units

Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>

src/muz/transforms/dl_mk_different.h

@@ -0,0 +1,38 @@
+/*++
+Copyright (c) 2013 Microsoft Corporation
+
+Module Name:
+
+    dl_mk_different_symbolic.h
+
+Abstract:
+
+    Create Horn clauses for different symbolic transformation.
+
+Author:
+
+    Nikolaj Bjorner (nbjorner) 2013-06-19
+
+Revision History:
+
+--*/
+#ifndef _DL_MK_DIFFERENT_SYMBOLIC_H_
+#define _DL_MK_DIFFERENT_SYMBOLIC_H_
+
+#include"dl_rule_transformer.h"
+
+namespace datalog {
+
+    class mk_different_symbolic : public rule_transformer::plugin {
+        ast_manager& m;
+        context&     m_ctx;
+    public:
+        mk_different_symbolic(context & ctx, unsigned priority = 33037);
+        ~mk_different_symbolic();        
+        rule_set * operator()(rule_set const & source);
+    };
+
+};
+
+#endif /* _DL_MK_DIFFERENT_SYMBOLIC_H_ */
+