| Polystyrene(polystyrene) | | Styrofoam, polystyrene |
| appearance as argument number 1 |
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| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9210-9217 | |
| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 9209-9209 | Polystyrene is a subclass of plastic |
| appearance as argument number 2 |
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| No TPTP formula. May not be expressible in strict first order. | domainEnglishFormat.kif 65335-65335 |
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