我试图证明Isabelle/HOL的交换性是一种自定义的add功能.我设法证明了相关性,但我坚持这个.
定义add:
fun add :: "nat ? nat ? nat" where
"add 0 n = n" |
"add (Suc m) n = Suc(add m n)"
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相关性证明:
lemma add_Associative: "add(add k m) z = add k (add m z)"
apply(induction k)
apply(auto)
done
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交换的证明:
theorem add_commutativity: "add k m = add m k"
apply(induction k)
apply(induction m)
apply(auto)
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我有以下目标:
goal (3 subgoals):
1. add 0 0 = add 0 0
2. ?m. add 0 m = add …Run Code Online (Sandbox Code Playgroud) 如何在 Babel 7 中禁用 --isolatedModules 标志,它会导致一切崩溃。它崩溃于:
我的 webpack 配置删除了导入以达到字数限制。我试过在我的 tsconfig 中禁用它,但我认为 babel 忽略了它。
'use strict';
// Source maps are resource heavy and can cause out of memory issue for large source files.
const shouldUseSourceMap = process.env.GENERATE_SOURCEMAP !== 'false';
// Some apps do not need the benefits of saving a web request, so not inlining the chunk
// makes for a smoother build process.
const shouldInlineRuntimeChunk = process.env.INLINE_RUNTIME_CHUNK !== 'false';
// Check if TypeScript is setup …Run Code Online (Sandbox Code Playgroud)