(=>
(third ?T ?W)
(exists (?O1 ?O2)
(and
(third ?O1 ?W)
(third ?O2 ?W)
(not
(equal ?O1 ?T))
(not
(equal ?O2 ?T))
(not
(equal ?O1 ?O2))
(equal ?W
(MereologicalSumFn ?T
(MereologicalSumFn ?O1 ?O2)))))) |
Mid-level-ontology.kif 14750-14761 |
If X is a third of Y, then All of the following hold: (1) there exist Z (2) W such that Z is a third of Y (3) W is a third of Y (4) equal Z (5) X (6) equal W (7) X (8) equal Z (9) W (10) equal Y (11) the union of the parts of X (12) the union of the parts of Z (13) W |