equivalentContentInstance | ContentBearingObject | ContentBearingObject | A BinaryPredicate relating two instances of ContentBearingObject. (equivalentContentInstance ?OBJ1 ?OBJ2) means that the content expressed by ?OBJ1 is identical to the content expressed by ?OBJ2. An example would be the relationship between a handwritten draft of a letter to one's lawyer and a typed copy of the same letter. Note that (equivalentContentInstance ?OBJ1 ?OBJ2) implies (subsumesContentInstance ?OBJ1 ?OBJ2) and (subsumesContentInstance ?OBJ2 ?OBJ2) | (=> (and (equivalentContentInstance ?SENT1 ?SENT2) (instance ?SENT1 Sentence) (instance ?SENT2 Sentence)) (<=> ?SENT1 ?SENT2))
| | EquivalenceRelation | equivalentContentClass |