このブログは、旧・はてなダイアリー「檜山正幸のキマイラ飼育記 メモ編」（http://d.hatena.ne.jp/m-hiyama-memo/）のデータを移行・保存したものであり、今後（2019年1月以降）更新の予定はありません。

今後の更新は、新しいブログ http://m-hiyama-memo.hatenablog.com/ で行います。

演算子の優先度

Coq メモ

https://coq.inria.fr/library/Coq.Init.Notations.html より：

Reserved Notation "x -> y" (at level 99, right associativity, y at level 200).
Reserved Notation "x <-> y" (at level 95, no associativity).
Reserved Notation "x ∧\ y" (at level 80, right associativity).
Reserved Notation "x ∨ y" (at level 85, right associativity).
Reserved Notation "~ x" (at level 75, right associativity).

Reserved Notation "x = y" (at level 70, no associativity).
Reserved Notation "x + y" (at level 50, left associativity).
Reserved Notation "x * y" (at level 40, left associativity).
Reserved Notation "- x" (at level 35, right associativity).
Reserved Notation "x ^ y" (at level 30, right associativity).

Reserved Notation "x || y" (at level 50, left associativity).
Reserved Notation "x && y" (at level 40, left associativity).