No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31453-31453	roomTempState nitrogen and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31626-31626	roomTempState nitrogen dioxide and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31546-31546	roomTempState nitrogen mustard gas and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31454-31454	roomTempState oxygen and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31630-31630	roomTempState phosgene and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31643-31643	roomTempState sarin and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31655-31655	roomTempState sulphur dioxide and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31545-31545	roomTempState sulphur mustard gas and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31665-31665	roomTempState V series nerve agent and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31666-31666	roomTempState VX and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31500-31500	roomTempState xenon and gas
No TPTP formula. May not be expressible in strict first order.	Geography.kif 2736-2736	Greenhouse gas is a subclass of gas
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 25508-25508
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 25507-25507
No TPTP formula. May not be expressible in strict first order.	domainEnglishFormat.kif 25506-25506

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Sigma version 3.0 is open source software produced by Articulate Software and its partners