【问题标题】:Z3 proofs: Are hypothesis and lemma rules always cleanly nested?Z3 证明:假设和引理规则总是干净嵌套吗?
【发布时间】:2015-04-28 18:47:24
【问题描述】:

快速问题:在 Z3 证明(例如 4.3.2)中,“假设”规则引入了局部假设,最终由“引理”规则解除。 “假设”和“引理”规则是否总是干净嵌套,这意味着可以将 Z3 证明映射到具有嵌套证明块的语言,或者可以有一个序列

hypothesis 1
hypothesis 2
lemma 1
lemma 2

?谢谢。

【问题讨论】:

标签: z3 proofs


【解决方案1】:

您是对的,文档对此并不清楚。 我将其更新为:

  \nicebox{
      T1: false
      [lemma T1]: (or (not l_1) ... (not l_n))
      }
      This proof object has one antecedent: a hypothetical proof for false.
      It converts the proof in a proof for (or (not l_1) ... (not l_n)),
      when T1 contains the open hypotheses: l_1, ..., l_n.
      The hypotheses are closed after an application of a lemma.
      Furthermore, there are no other open hypotheses in the subtree covered by
      the lemma.

【讨论】:

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