| Canal(canal)
| | Grand_Canal, canal |
| appearance as argument number 1 |
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| (subclass Canal Waterway) | Geography.kif 7214-7214 | Canal is a subclass of waterway |
| (subclass Canal StationaryArtifact) | Geography.kif 7215-7215 | Canal is a subclass of stationary artifact |
| (documentation Canal EnglishLanguage "Canal is the subclass of navigable Waterways flowing through an artificial course. Typically, a canal is a Transitway connecting two bodies of water.") | Geography.kif 7216-7218 | Canal is a subclass of stationary artifact |
| (externalImage Canal "http://upload.wikimedia.org/wikipedia/commons/4/49/ Birmingham_canals_800.jpg") | pictureList.kif 944-944 | Canal is a subclass of stationary artifact |
| appearance as argument number 2 |
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| antecedent |
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| (=> (instance ?CHANNEL Canal) (exists (?WATER1 ?WATER2) (and (instance ?WATER1 WaterArea) (instance ?WATER2 WaterArea) (connects ?CHANNEL ?WATER1 ?WATER2)))) |
Geography.kif 7220-7226 | If X is an instance of canal, then there exist Y, Z such that Y is an instance of water area, Z is an instance of water area, X connects Y, and Z |
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