| Taekwondo(taekwondo) | | tae_kwon_do, taekwondo |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 143-143 | Taekwondo is a subclass of martial arts |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | Sports.kif 144-144 |
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