No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31457-31457	roomTempState nitrogen and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31630-31630	roomTempState nitrogen dioxide and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31550-31550	roomTempState nitrogen mustard gas and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31458-31458	roomTempState oxygen and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31634-31634	roomTempState phosgene and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31647-31647	roomTempState sarin and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31659-31659	roomTempState sulphur dioxide and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31549-31549	roomTempState sulphur mustard gas and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31669-31669	roomTempState V series nerve agent and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31670-31670	roomTempState VX and gas
No TPTP formula. May not be expressible in strict first order.	Mid-level-ontology.kif 31504-31504	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