| No TPTP formula. May not be expressible in strict first order. | Merge.kif 15888-15888 | Wearable item is a subclass of artifact |
| No TPTP formula. May not be expressible in strict first order. | Merge.kif 15900-15900 | Clothing is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Medicine.kif 4457-4457 | Fitbit is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 6090-6090 | Personal adornment is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Economy.kif 6116-6116 | Jewelry is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 503-503 | Earphone is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3420-3420 | Safety harness is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3445-3445 | Hearing protection is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3479-3479 | Protective eyewear is a subclass of wearable item |
| No TPTP formula. May not be expressible in strict first order. | Cars.kif 3527-3527 | Respirator is a subclass of wearable item |
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