(<=>
(and
(instance ?LD LiquidDrop)
(approximateDiameter ?LD
(MeasureFn ?S Micrometer))
(lessThan 500 ?S))
(instance ?LD Droplet)) 
Geography.kif 70827088 
A self connected object is an instance of liquid drop and the approximate diameter of the self connected object is a real number micrometer(s) and 500 is less than the real number if and only if the self connected object is an instance of droplet 
(<=>
(and
(instance ?PM ParticulateMatter)
(part ?P ?PM)
(approximateDiameter ?P
(MeasureFn ?S Micrometer))
(greaterThan 10 ?S)
(greaterThan ?S 2.5))
(exists (?PM10)
(and
(instance ?PM10 CoarseParticulateMatter)
(part ?PM10 ?PM)))) 
Geography.kif 69987009 
An object is an instance of PM and a self connected object is a part of the object and the approximate diameter of the self connected object is a real number micrometer(s) and 10 is greater than the real number and the real number is greater than 2.5 if and only if there exists the object10 such that the object10 is an instance of PM10 and the object10 is a part of the object 
(<=>
(and
(instance ?PM ParticulateMatter)
(part ?P ?PM)
(approximateDiameter ?P
(MeasureFn ?S Micrometer))
(greaterThanOrEqualTo ?S 2.5))
(exists (?PM25)
(and
(instance ?PM25 FineParticulateMatter)
(part ?PM25 ?PM)))) 
Geography.kif 70277037 
An object is an instance of PM and a self connected object is a part of the object and the approximate diameter of the self connected object is a real number micrometer(s) and the real number is greater than or equal to 2.5 if and only if there exists the object25 such that the object25 is an instance of PM2.5 and the object25 is a part of the object 
(=>
(and
(approximateDiameter ?O
(MeasureFn ?L ?LM))
(sphereRadius ?S
(MeasureFn
(DivisionFn ?L 2) ?LM))
(measure ?S
(MeasureFn ?V1 ?VM))
(measure ?O
(MeasureFn ?V2 ?VM))
(instance ?LM LengthMeasure)
(instance ?VM VolumeMeasure))
(equal ?V1 ?V2)) 
Midlevelontology.kif 1719517206 

(=>
(and
(instance ?Particle Boulder)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(greaterThan ?Size 256)) 
Geography.kif 68416846 

(=>
(and
(instance ?Particle Cobble)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(and
(greaterThan 256 ?Size)
(greaterThan ?Size 64))) 
Geography.kif 68186825 

(=>
(and
(instance ?Particle Pebble)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(and
(greaterThan 64 ?Size)
(greaterThan ?Size 2))) 
Geography.kif 67956802 

(=>
(and
(part ?Particle ?Soil)
(instance ?Soil Clay)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(and
(greaterThan 0.004 ?Size)
(greaterThan ?Size 0.001))) 
Midlevelontology.kif 1721917227 

(=>
(and
(part ?Particle ?Soil)
(instance ?Soil Sand)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(and
(greaterThan 2 ?Size)
(greaterThan ?Size 0.062))) 
Geography.kif 42134221 

(=>
(and
(part ?Particle ?Soil)
(instance ?Soil Silt)
(approximateDiameter ?Particle
(MeasureFn ?Size Millimeter)))
(and
(greaterThan 0.062 ?Size)
(greaterThan ?Size 0.004))) 
Geography.kif 42364244 
