DOFY's Blog
DOFY's Blog

We know the past but cannot control it. We control the future but cannot know it.

DOFY's Blog
We know the past but cannot control it. We control the future but cannot know it.

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Hello World!

About me and this blog.

   2,789   2020-06-28   去围观

一阶逻辑中的几个反直觉结论

最近的Research牵涉到一些时态逻辑的东西,但推式子的时候反而发现一些很简单的一阶逻辑结论之前都没注意到,感觉自己白学了。 首先是这个 $$(\exists x. P(x)) \to Q \iff \forall x.P(x) \to Q$$ 很奇怪,为什么“任意”放进括号里就变成“存在”了呢?其实这也很好…

   14   2023-12-03   去围观
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How Cairo Virtual Machine delegates contract function invocations internally
Key concepts of contract function invocations Function Selector In general, the function selector in StarkNet is used…
   1,995   2022-07-28   去围观
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平型关
高山与沟壑当中,曾是抗日将士声嘶力竭的呐喊,也是铁道兵齐心协力的口号。他们都是永远被这片土地铭记的英雄。
   1,926   2022-06-02   去围观

Cairo Compiler Learning Notes

Excerpts from How Cairo Works Introduction to Cairo Registers ap: allocation pointer fp: frame pointer pc: program counter Basic instructions [fp - 1] = [ap - 2] + [fp + 4] [ap - 1] = [fp + 10] * [ap]; ap++ [ap - 1] = [fp + 10] + 12345; ap++ #…

   1,818   2022-06-02   去围观

Rosette Learning Notes

Excerpts from The Rosette Guide. Rosette Essentials Symbolic Values (define-symbolic b boolean?) Specification (define (check-mid impl lo hi) ; Assuming that (assume (bvsle (int32 0) lo)) ; 0 ≤ lo and (assume (bvsle lo hi)) …

   1,587   2022-06-02   去围观
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《明清时代江南市镇研究》读书报告
通选课明清经济与社会中期作业。第一次写读书报告,体验了一下文科生的日常。
   2,745   2021-12-03   去围观

Notes of "The Logic of Computer Programming"

Link: The Logic of Computer Programming Four aspect: correctness termination transformation development Program A: Partial Correctness totally correct: if we execute Program A on any input satisfying the input assertion, the program will ha…

   2,307   2021-11-13   去围观
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白云与黑金
记一个周末
   2,388   2021-03-25   去围观

假设检验

概统背不完了。

   2,065   2021-01-08   去围观
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密码保护:煤港之夜
这篇文章受密码保护,输入密码才能看哦
   2,082   2020-11-28   去围观
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