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预设逻辑是现代语言逻辑学所关注的一个重要课题。王维贤认为,p→-q是转折句“p∧q”的预设,是“虽然p,但是q”这个由断定p而断定q的这一紧缩推理形式的推理前提。然而分析表明,王维贤p→-q的预设理论是值得商榷的,即p→-q并非转折句“p∧q”的预设,而仅只是它的一个隐涵,隐藏在转折句内层的内层转折含义才是其预设。
Pre-programmed logic is an important topic of modern logic. According to Wang Weixian, p → -q is the presupposition of the transition sentence “p∧q”, which is “the reasoning form of the tightening inference form that q is determined by p. However, the analysis shows that the preconceived theory of p → -q by Wang Weixian is debatable, that is, p → -q is not a precondition of the transition sentence ”p∧q" but only a hidden meaning of it. The inner transition of the inner meaning is its default.