Rename: explain -> superposition

src/math/polysat/CMakeLists.txt

@@ -7,7 +7,6 @@ z3_add_component(polysat
     constraint.cpp
     constraint_manager.cpp
     eq_explain.cpp
-    explain.cpp
     forbidden_intervals.cpp
     inference_logger.cpp
     justification.cpp
@@ -21,6 +20,7 @@ z3_add_component(polysat
     simplify_clause.cpp
     smul_fl_constraint.cpp
     solver.cpp
+    superposition.cpp
     ule_constraint.cpp
     umul_ovfl_constraint.cpp
     variable_elimination.cpp

src/math/polysat/conflict.cpp

@@ -50,7 +50,7 @@ TODO:
 #include "math/polysat/inference_logger.h"
 #include "math/polysat/log.h"
 #include "math/polysat/log_helper.h"
-#include "math/polysat/explain.h"
+#include "math/polysat/superposition.h"
 #include "math/polysat/eq_explain.h"
 #include "math/polysat/forbidden_intervals.h"
 #include "math/polysat/saturation.h"

src/math/polysat/eq_explain.h

@@ -13,7 +13,6 @@ Author:
 
 --*/
 #pragma once
-#include "math/polysat/explain.h"
 
 namespace polysat {
 

src/math/polysat/solver.h

@@ -27,7 +27,6 @@ Author:
 #include "math/polysat/simplify_clause.h"
 #include "math/polysat/simplify.h"
 #include "math/polysat/restart.h"
-#include "math/polysat/explain.h"
 #include "math/polysat/ule_constraint.h"
 #include "math/polysat/justification.h"
 #include "math/polysat/linear_solver.h"

src/math/polysat/superposition.cpp

@@ -11,7 +11,7 @@ Author:
     Jakob Rath 2021-04-06
 
 --*/
-#include "math/polysat/explain.h"
+#include "math/polysat/superposition.h"
 #include "math/polysat/log.h"
 #include "math/polysat/solver.h"