{"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":81,"pdf_page":92,"physical_index":92,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"6f88b2a4ce10e4dac46ca54dbd506253a07ed84620cfda722605739a9c12a35b"},"chapter":"第三章问题解决","content":"我们可以举一个逻辑学上的例子来说明如何进行计划。例如我们要将\n\n$$\nR \\bullet ( \\neg \\mathrm { P } \\supset \\mathrm { Q } ) \\cdots \\bot\n$$\n\n变为\n\n$$\n( \\mathbf { Q } \\lor \\mathrm { P } ) \\cdot \\mathrm { R } \\cdots \\lor \\vec { z }\n$$\n\n我们可以依据一系列逻辑规律来进行变换。在本例中可用的变换规则有三个：\n\n1.(¬P⊃Q)可以变换为(PVQ)\n\n2.(PVQ)可以变换为(QVP)\n\n3.R·(QVP)可以变换为(QVP)·R\n\n我们通过手段一目的分析法，利用这三个变换规则，通过三步就将上式变换为下式。对于这个简单的问题的解决，也可以事先做一个计划来使解决过程更为简化。如果我们忽略细节，不看“⊃，∨，。”符号，那么只要有两条规则就可以完成以上变换了。一条规则是，只要存在X与Y的顺序关系，均可倒为Y与X的顺序。如将P先Q后倒为Q先P后，R先(QVP）后倒为（QVP）先R后。这样，原先的“2”“3”规则可并为一个总的规则或操作方法。如果我们事先作出计划（计划空间)，忽略细节，就可把原来的三步省为两步。也就是说把“l”这个指数从3降为2。\n\n第三章 问题解决\n\n81","previous_page":80,"next_page":82}