{"resolved":true,"match_type":"uuid","source_type":"original_book","book_id":"72c4da97-7cf2-441a-a985-c1252297d6a3","title":"人工智能的进化 计算机思维离人类心智还有多远","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787508685670","requested_by":"printed_page","book":{"source_type":"original_book","book_id":"72c4da97-7cf2-441a-a985-c1252297d6a3","id":"72c4da97-7cf2-441a-a985-c1252297d6a3","uuid":"72c4da97-7cf2-441a-a985-c1252297d6a3","title":"人工智能的进化 计算机思维离人类心智还有多远","normalized_title":"人工智能的进化计算机思维离人类心智还有多远","author":null,"edition":null,"publisher":null,"year":null,"isbn":"9787508685670","isbns":["9787508685670"],"parsed":true,"ai_readable":true,"document_type":"book","page_count":216,"navigation_url":"https://workshop.closeclaw.top/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3","title_url":"https://workshop.closeclaw.top/ai/title/%E4%BA%BA%E5%B7%A5%E6%99%BA%E8%83%BD%E7%9A%84%E8%BF%9B%E5%8C%96%20%E8%AE%A1%E7%AE%97%E6%9C%BA%E6%80%9D%E7%BB%B4%E7%A6%BB%E4%BA%BA%E7%B1%BB%E5%BF%83%E6%99%BA%E8%BF%98%E6%9C%89%E5%A4%9A%E8%BF%9C","fixed_page_url_template":"https://workshop.closeclaw.top/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3/page/{printed_page}","path_api_url_template":"https://workshop.closeclaw.top/api/ai/book/72c4da97-7cf2-441a-a985-c1252297d6a3/page/{printed_page}","read_url":"https://workshop.closeclaw.top/api/ai/read/72c4da97-7cf2-441a-a985-c1252297d6a3","page_url":"https://workshop.closeclaw.top/api/ai/books/72c4da97-7cf2-441a-a985-c1252297d6a3/page","search_url":"https://workshop.closeclaw.top/api/ai/books/72c4da97-7cf2-441a-a985-c1252297d6a3/search"},"page":{"printed_page":125,"pdf_page":136,"physical_index":136,"physical_index_base":0,"printed_page_status":"recognized","page_sha256":"ccab6a8da66c0046e7daeed3f5e910891bd5b61e409e3d78e16ff87ae19ec0e3"},"chapter":"第五章","content":"符号的逻辑运算\n\n符号处理并不只与数字有关。请思考下面的问题：\n\n艾丽斯（Alice）、鲍勃（Bob）和卡罗尔（Carol）中至少有一人犯了罪。\n\n如果艾丽斯有罪，那么鲍勃也有罪。\n\n如果艾丽斯无罪，那么卡罗尔也无罪。\n\n那么，鲍勃有罪吗？\n\n这次我们可以用符号逻辑来解决这个问题，而不是代数。根据已知条件，我们能够列出逻辑公式。我们可以用A、B、C分别代表艾丽斯有罪、鲍勃有罪、卡罗尔有罪，然后根据已知的逻辑关系得到下面的表达式：\n\nAVBVC (i) A⊃B (ii) -A⊃-C (iii)\n\n除了“v、¬”之类的符号与“+、=”之类的符号略有不同以外，上述表达式和算术过程还是很像的。简单讲，“√”的意思是“或”，“¬”的意思是“不、非、无”，“⊃”的意思是“如果……那么……….”。逻辑课程（通常在高中未开设）教授的内容是：如何通过三个已知的逻辑关系，得出新的结论。\n\n第 日 章符号与符号处理\n\n125","previous_page":124,"next_page":126}