| No TPTP formula. May not be expressible in strict first order. | Merge.kif 14307-14307 | Water is a subclass of compound substance |
| No TPTP formula. May not be expressible in strict first order. | Weather.kif 2963-2963 | Rain is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 8976-8976 | Ice is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 25645-25645 | Steam is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 2730-2730 | Freshwater is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 2743-2743 | Ground water is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 2820-2820 | Sea water is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Geography.kif 2847-2847 | Brackish water is a subclass of water |
| No TPTP formula. May not be expressible in strict first order. | Food.kif 237-237 | Purified water is a subclass of water |
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