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KB:
Language:
Formal Language:
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WesternEurope
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| appearance as argument number 1 |
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| (=> (and (instance ?NATION Nation) (or (geographicSubregion ?NATION NorthAmerica) (geographicSubregion ?NATION SouthAmerica) (geographicSubregion ?NATION WesternEurope))) (holdsDuring (WhenFn ?NATION) (nationalHoliday ?NATION ChristmasDay))) |
Media.kif 343-351 | If X is an instance of nation and At least one of the following holds: (1) X is a geographic subregion of north america (2) X is a geographic subregion of south america (3) X is a geographic subregion of western europe, then Christmas day is a national holiday of X holds during the time of existence of X |