| No TPTP formula. May not be expressible in strict first order. | Mid-level-ontology.kif 780-780 | 书面沟通 是 语言交流 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | Media.kif 202-202 | 电邮 是 书面沟通 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2880-2880 | PostingOnBlog 是 书面沟通 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2896-2896 | Tweeting 是 书面沟通 的 subclass |
| No TPTP formula. May not be expressible in strict first order. | ComputerInput.kif 2916-2916 | WebChatting 是 书面沟通 的 subclass |
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