(<=>
(and
(equal
(AbsoluteValueFn ?NUMBER1) ?NUMBER2)
(instance ?NUMBER1 RealNumber)
(instance ?NUMBER2 RealNumber))
(or
(and
(instance ?NUMBER1 NonnegativeRealNumber)
(equal ?NUMBER1 ?NUMBER2))
(and
(instance ?NUMBER1 NegativeRealNumber)
(equal ?NUMBER2
(SubtractionFn 0 ?NUMBER1))))) 
Merge.kif 49244935 
The absolute value of a real number is equal to a nonnegative real number and the real number is an instance of real number and the nonnegative real number is an instance of real number if and only if the real number is an instance of nonnegative real number and the real number is equal to the nonnegative real number or the real number is an instance of negative real number and the nonnegative real number is equal to (0 and the real number) 
(<=>
(and
(instance ?AGENT SentientAgent)
(attribute ?AGENT Living))
(exists (?ATTR)
(and
(instance ?ATTR ConsciousnessAttribute)
(attribute ?AGENT ?ATTR)))) 
Merge.kif 1870118708 
An object is an instance of sentient agent and living is an attribute of the object if and only if there exists an entity such that the entity is an instance of consciousness attribute and the entity is an attribute of the object 
(<=>
(and
(instance ?B BodyPart)
(holdsDuring ?T
(attribute ?B Bare)))
(holdsDuring ?T
(not
(exists (?C)
(and
(instance ?C Clothing)
(covers ?C ?B)))))) 
Midlevelontology.kif 2833228342 
An entity is an instance of body part and Bare is an attribute of the entity holds during a time position if and only if there doesn't exist another entity such that the other entity is an instance of clothing and the other entity covers the entity holds during the time position 
(<=>
(and
(instance ?COMBINE Combining)
(resource ?COMBINE ?OBJ1)
(result ?COMBINE ?OBJ2))
(and
(holdsDuring
(BeginFn
(WhenFn ?COMBINE))
(not
(part ?OBJ1 ?OBJ2)))
(holdsDuring
(EndFn
(WhenFn ?COMBINE))
(part ?OBJ1 ?OBJ2)))) 
Merge.kif 1237612383 
A process is an instance of combining and an object is a resource for the process and an entity is a result of the process if and only if the object is not a part of the entity holds during the beginning of the time of existence of the process and the object is a part of the entity holds during the end of the time of existence of the process 
(<=>
(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 67906801 
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 68196829 
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
(instance ?REL TotalValuedRelation)
(instance ?REL Predicate))
(exists (?VALENCE)
(and
(instance ?REL Relation)
(valence ?REL ?VALENCE)
(=>
(forall (?NUMBER ?ELEMENT ?CLASS)
(=>
(and
(lessThan ?NUMBER ?VALENCE)
(domain ?REL ?NUMBER ?CLASS)
(equal ?ELEMENT
(ListOrderFn
(ListFn @ROW) ?NUMBER)))
(instance ?ELEMENT ?CLASS)))
(exists (?ITEM)
(?REL @ROW ?ITEM)))))) 
Merge.kif 23312348 
A relation is an instance of total valued relation and the relation is an instance of predicate if and only if there exists a positive integer such that the relation is an instance of relation and the relation %&has the positive integer argument(s) and 
(<=>
(and
(instance ?X Region)
(holdsDuring ?T
(property ?X StandardAmbientTemperaturePressure)))
(holdsDuring ?T
(and
(airTemperature ?X
(MeasureFn 298.15 KelvinDegree))
(barometricPressure ?X
(MeasureFn 29.530 InchMercury))))) 
Weather.kif 10861096 
An entity is an instance of region and the entity has an attribute standard ambient temperature and pressure holds during a time position if and only if 298.15 kelvin degree(s) is an air temperature of the entity and 29.530 inch mercury(s) is a barometric pressure of the entity holds during the time position 
(<=>
(annualExpendituresOfAreaInPeriod ?AREA ?AMOUNT ?PERIOD)
(exists (?TIME)
(and
(instance ?TIME ?PERIOD)
(holdsDuring ?TIME
(annualExpendituresOfArea ?AREA ?AMOUNT))))) 
Economy.kif 15231528 
A geopolitical area annual expenditures of area in period a currency measure for a kind of time interval if and only if there exists a time position such that the time position is an instance of a kind of time interval and the currency measure is an annual expenditures of area of the geopolitical area holds during the time position 
(<=>
(annualRevenuesOfAreaInPeriod ?AREA ?AMOUNT ?PERIOD)
(exists (?TIME)
(and
(instance ?TIME ?PERIOD)
(holdsDuring ?TIME
(annualRevenuesOfArea ?AREA ?AMOUNT))))) 
Economy.kif 14941499 
A geopolitical area annual revenues of area in period a currency measure for a kind of time interval if and only if there exists a time position such that the time position is an instance of a kind of time interval and the currency measure is an annual revenues of area of the geopolitical area holds during the time position 
(<=>
(attribute ?H LiteracyAttribute)
(and
(hasSkill Reading ?H)
(hasSkill Writing ?H))) 
Midlevelontology.kif 1270212706 
Literacy attribute is an attribute of an agent if and only if the agent has skill to do reading and the agent has skill to do writing 
(<=>
(attribute ?HOLE1 Fillable)
(exists (?HOLE2)
(and
(instance ?HOLE2 Hole)
(part ?HOLE1 ?HOLE2)))) 
Merge.kif 99929997 
Fillable is an attribute of an object if and only if there exists another object such that the other object is an instance of hole and the object is a part of the other object 
(<=>
(attribute ?MUSIC PolyphonicMusic)
(exists (?PART1 ?PART2)
(and
(instance ?MUSIC MakingMusic)
(instance ?PART1 MakingMusic)
(instance ?PART2 MakingMusic)
(subProcess ?PART1 ?MUSIC)
(subProcess ?PART2 ?MUSIC)
(not
(equal ?PART1 ?PART2))
(cooccur ?PART1 ?MUSIC)
(cooccur ?PART2 ?MUSIC)))) 
Midlevelontology.kif 927938 
Polyphonic music is an attribute of an object if and only if there exist a process and another process such that the object is an instance of making music and the process is an instance of making music and the other process is an instance of making music and the process is a subprocess of the object and the other process is a subprocess of the object and the process is not equal to the other process and the process occurs at the same time as the object and the other process occurs at the same time as the object 
(<=>
(attribute ?WATER OpenSea)
(forall (?LAND)
(and
(instance ?AREA SaltWaterArea)
(not
(instance ?WATER LandlockedWater))
(distance ?LAND ?WATER ?DIST)
(greaterThan ?DIST
(MeasureFn 5 NauticalMile))))) 
Geography.kif 44084415 
Open sea is an attribute of an object if and only if for all a physical an entity is an instance of salt water area and the object is not an instance of landlocked water and the distance between the physical and the object is a length measure and the length measure is greater than 5 nautical mile(s) 
(<=>
(aunt ?A ?H)
(exists (?P)
(and
(sister ?A ?P)
(parent ?H ?P)))) 
Midlevelontology.kif 2093920944 
A woman is the aunt of a human if and only if there exists another human such that the woman is the sister of the other human and the other human is a parent of the human 
(<=>
(average ?LIST1 ?AVERAGE)
(exists (?LIST2)
(and
(equal
(ListLengthFn ?LIST2)
(ListLengthFn ?LIST1))
(equal
(ListOrderFn ?LIST2 1)
(ListOrderFn ?LIST1 1))
(forall (?ITEMFROM2)
(=>
(inList ?ITEMFROM2 ?LIST2)
(exists (?POSITION ?POSITIONMINUSONE ?ITEMFROM1 ?PRIORFROM2)
(and
(greaterThan ?POSITION 1)
(lessThanOrEqualTo ?POSITION
(ListLengthFn ?LIST2))
(equal
(ListOrderFn ?LIST2 ?ITEMFROM2) ?POSITION)
(inList ?ITEMFROM1 ?LIST1)
(equal ?POSITION
(ListOrderFn ?LIST1 ?ITEMFROM1))
(inList ?PRIORFROM2 ?LIST2)
(equal ?POSITIONMINUSONE
(SubtractionFn ?POSITION 1))
(equal ?POSITIONMINUSONE
(ListOrderFn ?LIST2 ?PRIORFROM2))
(equal ?ITEMFROM2
(AdditionFn ?ITEMFROM1 ?PRIORFROM2))))))
(equal ?LASTPLACE
(ListLengthFn ?LIST2))
(equal ?AVERAGE
(DivisionFn
(ListOrderFn ?LIST2 ?LASTPLACE) ?LASTPLACE))))) 
People.kif 285306 
A real number is an average of a list if and only if there exists another list such that length of the other list is equal to length of the list and 1th element of the other list is equal to 1th element of the list and for all a positive integer and a fourth positive integer is equal to length of the other list and the real number is equal to the fourth positive integerth element of the other list and the fourth positive integer 
(<=>
(bankAccount ?AccountType ?Bank)
(exists (?Account)
(and
(instance ?Account ?AccountType)
(accountAt ?Account ?Bank)))) 
FinancialOntology.kif 37793784 
A bank financial organization is a bank account of a kind of financial account if and only if there exists another financial account such that the other financial account is an instance of a kind of financial account and the other financial account is held by the bank financial organization 
(<=>
(beliefGroupPercentInRegion ?BG ?N ?R)
(exists (?G1 ?G2)
(and
(located ?P ?R)
(member ?P ?BG)
(member ?P ?G1)
(memberCount ?G1 ?N1)
(located ?P2 ?R)
(member ?P2 ?G2)
(memberCount ?G2 ?N2)
(equal
(DivisionFn ?N 100)
(DivisionFn ?N1 ?N2))))) 
People.kif 15261537 
A real number percent of people in a geographic area believe in a belief group if and only if there exist a collection and another collection such that an object is located at the geographic area and the object is a member of the belief group and the object is a member of the collection and the real number1 is a member count of the collection and the object2 is located at the geographic area and the object2 is a member of the other collection and the real number2 is a member count of the other collection and the real number and 100 is equal to the real number1 and the real number2 
(<=>
(capitalExpendituresOfAreaInPeriod ?AREA ?CAPAMOUNT ?PERIOD)
(exists (?TIME)
(and
(instance ?TIME ?PERIOD)
(holdsDuring ?TIME
(capitalExpendituresOfArea ?AREA ?AMOUNT))))) 
Economy.kif 15691574 
A geopolitical area capital expenditures of area in period a currency measure for a kind of time interval if and only if there exists a time position such that the time position is an instance of a kind of time interval and an entity is a capital expenditures of area of the geopolitical area holds during the time position 
(<=>
(compressionRatio ?E ?R)
(and
(minCylinderVolume ?E
(MeasureFn ?MIN ?M))
(maxCylinderVolume ?E
(MeasureFn ?MAX ?M))
(equal ?R
(DivisionFn ?MIN ?MAX)))) 
Cars.kif 19171922 
The compression ratio of an engine is a real number if and only if the minimum volume of the cylinders in the engine the engine is another real number an unit of measure(s) and the maximum volume of the cylinders in the engine the engine is the unit of measureAX the unit of measure(s) and the real number is equal to the other real number and the unit of measureAX 
(<=>
(connects ?OBJ1 ?OBJ2 ?OBJ3)
(and
(connected ?OBJ1 ?OBJ2)
(connected ?OBJ1 ?OBJ3)
(not
(connected ?OBJ2 ?OBJ3)))) 
Merge.kif 95699575 
An object connects another object and a third object if and only if the object is connected to the other object and the object is connected to the third object and the other object is not connected to the third object 
(<=>
(contains ?OBJ1 ?OBJ2)
(exists (?HOLE)
(and
(hole ?HOLE ?OBJ1)
(properlyFills ?OBJ2 ?HOLE)))) 
Merge.kif 10581063 
A self connected object contains an object if and only if there exists a hole such that the hole is a hole in the self connected object and the object properly fills the hole 
(<=>
(cousin ?P1 ?P2)
(and
(exists (?G1 ?G2)
(and
(grandmother ?P1 ?G1)
(grandfather ?P1 ?G2)
(grandmother ?P2 ?G1)
(grandfather ?P2 ?G2)))
(not
(exists (?M ?F)
(and
(mother ?P1 ?M)
(father ?P1 ?F)
(mother ?P2 ?M)
(father ?P2 ?F)))))) 
Midlevelontology.kif 2095420969 
A human and another human are cousins if and only if there exist a woman and a man such that the grandmother of the human is the woman and the grandfather of the human is the man and the grandmother of the other human is the woman and the grandfather of the other human is the man and there don't exist an organism and another organism such that the organism is a mother of the human and the other organism is a father of the human and the organism is a mother of the other human and the other organism is a father of the other human 
(<=>
(currencyExchangePerUSDollar ?AMOUNT ?PERIOD)
(exists (?TIME)
(and
(instance ?TIME ?PERIOD)
(holdsDuring ?TIME
(currencyExchangeRate UnitedStatesDollar ?AMOUNT))))) 
Economy.kif 36643669 
A kind of time interval is a currency exchange perUS dollar of a currency measure if and only if there exists a time position such that the time position is an instance of a kind of time interval and the currency measure is a currency exchange rate of united states dollar holds during the time position 
(<=>
(currencyExchangeRateInPeriod ?UNIT ?AMOUNT ?PERIOD)
(exists (?TIME)
(and
(instance ?TIME ?PERIOD)
(holdsDuring ?TIME
(currencyExchangeRate ?UNIT ?AMOUNT))))) 
Economy.kif 36713676 
An UnitOfCurrency currency exchange rate in period a currency measure for a kind of time interval if and only if there exists a time position such that the time position is an instance of a kind of time interval and the currency measure is a currency exchange rate of the UnitOfCurrency holds during the time position 

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Display limited to 25 items. Show next 25 