No TPTP formula. May not be expressible in strict first order.	UXExperimentalTerms.kif 951-951	webSeller 的 2 数量 是 WebSite 的 instance
No TPTP formula. May not be expressible in strict first order.	ComputerInput.kif 2949-2949	webVisitor 的 2 数量 是 WebSite 的 instance
No TPTP formula. May not be expressible in strict first order.	UXExperimentalTerms.kif 682-682	webcart 的 3 数量 是 WebSite 的 instance

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