| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 23405-23405 | Signalling e' uma sub-classe de Guiar |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 2635-2635 | ElectricalSignalling e' uma sub-classe de Signalling |
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