| Surfing(surfing) | | surf, surfboard, surfboarding, surfing, surfriding |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 209-209 | |
| No TPTP formula. May not be expressible in strict first order. | Sports.kif 207-207 | Surfing is a subclass of sport |
| No TPTP formula. May not be expressible in strict first order. | Sports.kif 208-208 | Surfing is a subclass of water sport |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65560-65560 |
| consequent |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 213-219 |
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