(=>
(instance ?incline SlopedArea)
(exists (?top ?bottom ?height1 ?height2 ?U)
(and
(top ?top ?incline)
(bottom ?bottom ?incline)
(instance ?U UnitOfLength)
(earthAltitude ?top
(MeasureFn ?height1 ?U))
(earthAltitude ?bottom
(MeasureFn ?height2 ?U))
(greaterThan ?height1 ?height2)))) |
Geography.kif 5611-5622 |
If X is an instance of sloped area, then there exist Y, Z,, , W,, , V and U such that the top of X is Y and the bottom of X is Z and U is an instance of unit of length and Y is W U(s) above the ground and Z is V U(s) above the ground and W is greater than V |