作者查詢 / suhorng
作者 suhorng 在 PTT [ Math ] 看板的留言(推文), 共2497則
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15F推: 是我記錯了什麼嗎.. 忽略你寫的 S 的話, 集合的定義11/24 09:27
16F→: 跟元素的定義都沒什麼問題吧? 而你寫的是一個後設的11/24 09:28
17F→: , 自然語言的文字而不是集合論的敘述11/24 09:28
18F→: 這篇將後設/目標語言區分得很清楚 #1HRpMZUa (Math)11/24 09:29
33F推: Type structure is a syntactic discipline for11/23 12:52
34F→: maintaining levels of abstraction! (推文亂入)11/23 12:52
11F推: R.I.P.04/14 19:45
14F推: 不是把 1+1 叫做二, 是把 1 的 successor 叫做 212/19 12:49
15F→: 然後可以算出 1 + 1 = (1 的 successor)12/19 12:50
16F→: 更清晰的說: 2 是 S1 的簡寫, 3 是 S(S1) 的簡寫 ..12/19 12:51
17F→: 然後 1 + y = Sy 以及 (Sx) + y = S(x + y)12/19 12:52
5F推: @LPH: 應該就是把首項那個底抽出來, 剩下從 0 開始03/13 10:12
6F→: 加的等差級數, 再把公差提出來剩下 0+1+2+...03/13 10:13
3F推: a=b c=d, 若 c /= 0, 等量除法公理 a=b => a/c=b/c;01/08 08:29
4F→: c=d 所以相等換相等 a/c=b/c => a/c=b/d01/08 08:29
12F推: 十分有趣!10/01 09:05
1F推: https://www.codecogs.com/latex/eqneditor.php09/14 23:53
2F→: 用這種的偷懶也可以XD 當然本文的優點是本地執行09/14 23:54
3F→: MathJax javascript 可以把網頁中所有 $ $ 都轉換09/14 23:54
4F→: 成 typeset 好的樣式吧? 比一個個複製更方便美觀09/14 23:54
4F推: 用數學學程式語言呀, 像 (λx.e1)e2 = e1[e2/x]09/06 21:38
7F推: 你的圖片把 "9.2" 到底標在哪一個式子切掉了..08/28 17:16
8F推: 個人直覺是想說, 以 f(x)/g(x) 來想的話,08/28 17:20
9F→: 作多項式除法時剩下來的分子本來就可能是任意低次項08/28 17:20
10F→: 就是 f(x)/g(x) = q(x) + r(x)/g(x) 然後 g(x) 又已08/28 17:21
11F→: 經不能再拆解了08/28 17:21