Logic/Concepts.h: Add combinational logic expr classes

smocore/include/concept.h

@@ -1,11 +1,50 @@
 #ifndef _CONCEPT_H
 #define _CONCEPT_H
 
+#include <vector>
+#include <memory>
+#include <logic.h>
 #include <mentalEntity.h>
 
-class Concept
-: public MentalEntity
+namespace smo {
+namespace concepts {
+
+class Comparator
+:	public MentalEntity, public logic::Operand
 {
+public:
+	/**		EXPLANATION:
+	 * The reference for a Comparator is the fixed mentity or range of mentities
+	 * that this comparator is intended to validate a match against.
+	 *
+	 * There are several mentities against which a comparator can match. At the
+	 * time of writing, we're fairly sure that these will be at minimum,
+	 * qualia, chronomena and mentena.
+	 */
+	std::shared_ptr<MentalEntity> reference;
 };
 
+class ComparatorExpression
+:	public logic::UnaryExpression
+{
+public:
+	ComparatorExpression(
+		logic::Operator &op, std::shared_ptr<Comparator> &comparator
+	)
+	:	logic::UnaryExpression(op, comparator)
+	{}
+};
+
+class CombinatorialLogicExpression
+:	public MentalEntity, public logic::Expression
+{
+public:
+
+};
+
+typedef CombinatorialLogicExpression Concept;
+
+} // namespace concept
+} // namespace smo
+
 #endif