| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9331-9331 | 子類 刺激物 and BiologicallyActiveSubstance |
| No TPTP formula. May not be expressible in strict first order. | TransnationalIssues.kif 107-107 | 子類 興奮劑 and 刺激物 |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 21646-21646 | 子類 Caffeine and 刺激物 |
| No TPTP formula. May not be expressible in strict first order. | Medicine.kif 2990-2990 | 子類 Pseudoephedrine and 刺激物 |
| No TPTP formula. May not be expressible in strict first order. | Medicine.kif 3263-3263 | 子類 Vyvanse and 刺激物 |
| No TPTP formula. May not be expressible in strict first order. | Medicine.kif 3967-3967 | 子類 Lisdexamfetamine and 刺激物 |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 4783-4783 | 子類 Amphetamine and 刺激物 |
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