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overcastDaysInPeriod
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| appearance as argument number 1 |
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| (subclass Peninsula LandForm) | Geography.kif 7393-7393 | Peninsula is a subclass of land form |
| (documentation Peninsula EnglishLanguage "A Peninsula is a piece of land that extends into a body of water and is surrounded on three sides by water. Typically connected by an Isthmus or neck of land that is narrower than its main portion (contrast with Cape).") | Geography.kif 7395-7398 | Peninsula is a subclass of land form |
| (externalImage Peninsula "http://upload.wikimedia.org/wikipedia/commons/ thumb/ 5/ 5d/ Peninsula_croatia.jpg/ 300px_Peninsula_croatia.jpg") | pictureList.kif 1212-1212 | Peninsula is a subclass of land form |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?Peninsula Peninsula) (exists (?Water) (and (instance ?Water WaterArea) (penetrates ?Peninsula ?Water)))) |
Geography.kif 7400-7405 | If X is an instance of peninsula, then there exists Y such that Y is an instance of water area and X penetrates Y |