逻辑学 2025

教室:H3409
讲座课:每周四 13:30-15:10
讨论课:双周四 15:25-17:05

幻灯片01 幻灯片02 类型论01 幻灯片03 幻灯片04

提交你的作业:https://www.logicbench.cn/

简单的LaTeX符号与公式

  • 所有的(行内)公式都应该被两个 $ 包裹,例如 $P\vee Q$ 会被渲染成 \(P\vee Q\)
  • 常用的命题逻辑符号
    • \(\neg\):\neg
    • \(\vee\):\vee
    • \(\wedge\):\wedge
    • \(\rightarrow\):\rightarrow
    • \(\leftrightarrow\):\leftrightarrow

一个后台数据的例子

{
    "id": 3,
    "title": "3x3数独求解",
    "original": {
      "background": "考虑3*3的数独。规则是每一格中只能填1、2、3中的一个数字,每一行每一列都不能出现重复的数字。目前第一行第一格里是1,第二行第三格里是2",
      "question": "右上角(第一行第三格)填什么?",
      "answer": "填3"
    },
    "formalization": [
        {
        "language": {
            "propositional" : true,
            "parameters": ["P","Q","R"]
        },
        "translation": {
          "P": "填1",
          "Q": "填2",
          "R": "填3"
        },
        "reasoning": {
          "premise": [
            "$P \vee Q \vee R$",
            "$\neg P$",
            "$\neg Q$"
          ],
          "conclusion": "$R$"
        }    
      },
      {
        "language":{
          "propositional":true,
          "parameters":["P[3,3,3]"] //3表示集合{0,1,2}, P[3, 3, 3]表示:{P_{000},P_{001},\dots,P_{222}}
        },
        "translation":{
          "P_{i.3 j.3 k.3}" : "第$i+1$行第$j+1$格填$k+1$"
        },
        "reasoning":{
          "premise":[
            { //如果是公式模式的话
            "index" : ["i.3", "j.3"], 
            "formula" : "$(P_{i,j,0}\wedge\neg P_{i,j,1}\wedge\neg P_{i,j,2})\vee(\neg P_{i,j,0}\wedge P_{i,j,1}\wedge\neg P_{i,j,2})\vee(\neg P_{i,j,0}\wedge\neg P_{i,j,1}\wedge P_{i,j,2})$"//每个格子填1-3
            },
            {
              "index": ["i1.3", "j1.3", "i2.(3-{i1})", "j2.(3-{j1})", "k.3"],
              "formula": "$(P_{i1,j1,k}\rightarrow\neg P_{i1,j2,k})\wedge (P_{i1,j1,k}\rightarrow\neg P_{i2,j1,k})$"//同行、同列不能填同样的数字
            },
            "P_{1,1,1}",//第1行第1格填1
            "P_{2,3,2}"//第2行第3格填2
          ],
          "conclusion": "P_{1,3,3}"
        }

      }
    ]
  }

Mathematical Logic 2020

Lecture: HGX308, M 9:55-11:35
Section: HGX307, R 18:30-20:10

Slides 01 (handout) Slides 02 (handout) Slides 03 (handout) Slides 04 (handout) Slides 05 (handout) Slides 06 (handout) Slides 07 (handout) Slides 08 (handout) Slides 09 (handout) Slides 10 (handout) Slides 11 (handout) Slides 12 (handout) Slides 13 (handout) Slides 14 (handout) Slides 15 (handout) Slides 16 (handout) Slides 17 (handout)