Relation EQUALS


Slots on this relation:

Documentation:
a time range ?tr1 is identical to a time range ?tr2.
Instance-Of: Relation
Arity: 2

Equivalence Axioms:

(<=> (Equals ?Tr1 ?Tr2)
     (And (Tp= (Time-Range.Start-Time ?Tr1)
               (Time-Range.Start-Time ?Tr2))
          (Tp= (Time-Range.End-Time ?Tr1) (Time-Range.End-Time ?Tr2))))


Other Related Axioms:

(<=> (Equals ?Tr1 ?Tr2)
     (And (Tp= (Time-Range.Start-Time ?Tr1)
               (Time-Range.Start-Time ?Tr2))
          (Tp= (Time-Range.End-Time ?Tr1) (Time-Range.End-Time ?Tr2))))

(<=> (During= ?Tr1 ?Tr2)
     (Or (During ?Tr1 ?Tr2)
         (Starts ?Tr1 ?Tr2)
         (Finishes ?Tr1 ?Tr2)
         (Equals ?Tr1 ?Tr2)))

(<=> (Start= ?Tr1 ?Tr2) (Or (Starts ?Tr1 ?Tr2) (Equals ?Tr1 ?Tr2)))

(<=> (Finishes= ?Tr1 ?Tr2)
     (Or (Finishes ?Tr1 ?Tr2) (Equals ?Tr1 ?Tr2)))