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Propositions are formed by linking two concepts with a predicate. These become the fundamental units of meaning stored in the concept map.
A specified sphere of activity or knowledge. For example:
The Concept to which a statement or proposition is directed. For example, given the statement "Square is a Polygon", "Polygon" is the Object.
A predicate is the verb that links concepts to form a proposition. Predicates must contain one or more words composed entirely of lowercase letters. For example:
The Concept about which a statement or proposition is made. For example, given the statement "Square is a Polygon", "Square" is the Subject.