(=>
(and
(instance ?area LandArea)
(groundSurfaceType ?area ?type1)
(groundSubsurfaceType ?area ?type2))
(exists (?above ?below)
(and
(instance ?above ?type1)
(instance ?below ?type2)
(orientation ?above ?below Above)))) |
Geography.kif 5792-5801 |
If X is an instance of land area, Y is a ground surface type of X, and Z is a ground subsurface type of X, then there exist W, V such that W is an instance of Y, V is an instance of Z, and W is above to V |