{"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":197,"pdf_page":208,"physical_index":208,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"c2edd5e7316e0799388245df0507001487b168bd189596b9f9ee425ad08780ef"},"chapter":"第五章语义丰富领域","content":"问题同型\n\n另一种解决河内塔问题的表征方式是列出一系列的圆盘，每一个圆盘下面都有一个需要填补的空格，这个空格里的号码告诉我们这个圆盘当前在哪根棍上。在挪动之前，圆盘都在A棍上。这种表征方式的程序编制与原来的编制方式不同。原来的表征方式是把1号盘从A挪到C；现在这种方式要反过来，先找出1号盘，把它的空格上的A字抹掉，把C换上去，表示它挪到C棍上了，如表5-3所示。\n\n可以看到，后一种表征方式更有利于动作，因为它只要求改动一个符号。但这种方法要求抹掉一个符号，然后再加上一个符号，需完成两个步骤。测验一个动作是否合法，前一种方式优于后一种方式。用后一种表征方法，若把1号盘从A棍挪到C棍，看把A改成C是否合法，就要检查其他盘是否都在A上面，看看A上面其他所有的圆盘是否都比它大；如果把它挪到C上，其他圆盘是否都在C上；如果在C上，是大于它还是小于它。从这里我们看到，对同一个问题可以有两种同型的表征方法，这两种表征方法就称为问题同型（problemiso-morphs)。\n\n第五章语义丰富领域\n\n表5-2\n\n197","previous_page":196,"next_page":198}