{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"dde4e586-1def-4457-8ec5-0287b0b0511d","id":"dde4e586-1def-4457-8ec5-0287b0b0511d","uuid":"dde4e586-1def-4457-8ec5-0287b0b0511d","title":"认知 人行为背后的思维与智能","normalized_title":"认知人行为背后的思维与智能","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787300273921","isbns":["9787300273921"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":290,"navigation_url":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d","title_url":"https://workshop.closeclaw.top/ai/title/%E8%AE%A4%E7%9F%A5%20%E4%BA%BA%E8%A1%8C%E4%B8%BA%E8%83%8C%E5%90%8E%E7%9A%84%E6%80%9D%E7%BB%B4%E4%B8%8E%E6%99%BA%E8%83%BD","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/dde4e586-1def-4457-8ec5-0287b0b0511d/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/dde4e586-1def-4457-8ec5-0287b0b0511d","page_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/page","search_url":"https://workshop.closeclaw.top/api/ai/books/dde4e586-1def-4457-8ec5-0287b0b0511d/search"},"page":{"printed_page":245,"pdf_page":256,"physical_index":256,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"fbd240515d3566d09b68ef70cb614a4c027f3387ef237b795fdeb8404b135011"},"chapter":"第七章概念的形成","content":"命题验标(propositional calculus)\n\n这就是逻辑学中提到的A⊃B：如果是A，那么结论就是B。对于A⊃B，如果用另一种方式来表示：如果非A，那么结论就是非B，根据形式逻辑的规律，这就是不正确的三段论法。实验时可以给被试一系列的三段论法，让他判断哪些是正确的，哪些是错误的，最后看他怎样反应。在解决三段论法时，被试不应该接受客观事实的影响，只应按照命题本身的逻辑来进行判断。\n\n谓词演绎(predicatecalculus)\n\n(x)H(x)⊃F(x)给出一个前提：凡是马都是白色的，a是马，则a是白色的\n\n$$\n\\frac { \\mathrm { H ( a ) } } { \\mathrm { F ( a ) } }\n$$\n\n在这里，若前提一、二均正确，则结论一定正确。这一类的研究通常是看正确结论的百分比与逻辑运算的关系。结果发现，若三段论法的前提是肯定的，结论的正确率就高于具有否定前提的三段论法。这类研究的第二个发现是，被试得出的结论与日常生活常识有关，凡符合常识的结论，其正确率要高于不符合常识的结论。由此可见，逻辑推理虽然不应受真实世界中各\n\n第七章 概念的形成\n\n245","previous_page":244,"next_page":246}