| Pebble | |
| appearance as argument number 1 |
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| (documentation Pebble ChineseLanguage "Pebble 是零散的 Rock， 按照溫特瓦分級，它的 approximateDiameter 在 2 Millimeter 到 64 Millimeter 之间。") | Geography.kif 6782-6783 | |
| (documentation Pebble EnglishLanguage "Pebbles are Rock fragments between 2 Millimeters to 64 Millimeters in approximateDiameter on the Wentworth Scale.") | Geography.kif 6779-6780 | |
| (subclass Pebble Rock) | Geography.kif 6791-6791 |
| appearance as argument number 2 |
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| (termFormat ChineseLanguage Pebble "卵石") | Geography.kif 6789-6789 | |
| (termFormat EnglishLanguage Pebble "pebble") | Geography.kif 6787-6787 |
| appearance as argument number 4 |
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| (partition Rock Boulder Cobble Pebble) | Geography.kif 6785-6785 |
| antecedent |
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| (=> (and (instance ?Particle Pebble) (approximateDiameter ?Particle (MeasureFn ?Size Millimeter))) (and (greaterThan 64 ?Size) (greaterThan ?Size 2))) |
Geography.kif 6793-6800 |
| consequent |
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| (=> (instance ?GRAVEL Gravel) (and (part ?Particle ?GRAVEL) (instance ?Particle Pebble))) |
Geography.kif 4258-4262 |
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