(=> (and (electricityProductionInPeriod ?AREA ?AMOUNT ?PERIOD) (or (subclass ?PERIOD Year) (subclass ?PERIOD (FiscalYearFn ?AREA)))) (exists (?YEAR) (and (instance ?YEAR ?PERIOD) (holdsDuring ?YEAR (annualElectricityProduction ?AREA ?AMOUNT))))) |
Economy.kif 1980-1989 | |
(=> (and (holdsDuring ?YEAR (annualElectricityProduction ?AREA ?AMOUNT)) (instance ?YEAR ?PERIOD) (or (subclass ?PERIOD Year) (subclass ?PERIOD (FiscalYearFn ?AREA)))) (electricityProductionInPeriod ?AREA ?AMOUNT ?PERIOD)) |
Economy.kif 1991-1998 |