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flexible リンタの警告を消す #947

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Oct 5, 2024
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flexible リンタの警告を消す #947

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7 changes: 5 additions & 2 deletions Examples/Tactic/Simp.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ namespace Simp --#

variable {P Q R : Prop}

set_option linter.flexible false in --#

example : (P ∨ Q ∨ R) ∧ R ↔ R := by
-- simp だけでは証明が終わらない
simp
Expand Down Expand Up @@ -61,7 +63,7 @@ use `set_option maxRecDepth <num>` to increase limit
use `set_option diagnostics true` to get diagnostic information
-/
#guard_msgs in
example (n m : Nat) : (n + 0) * m = n * m := by simp
example (n m : Nat) : (n + 0) * m = n * m := by simp

end
/- ## simp で使用できる構文
Expand All @@ -78,7 +80,7 @@ example (h : R) : (P ∨ Q ∨ R) ∧ R := by
variable {n m : Nat}

example (h : n + 0 + 0 = m) : n = m + (0 * n) := by
simp at h ⊢
simp only [add_zero, zero_mul] at h ⊢
assumption

/- ローカルコンテキストとゴールをまとめて全部単純化したい場合は `simp at *` とします。 -/
Expand All @@ -104,6 +106,7 @@ example : (P ∨ Q ∨ R) ∧ R ↔ R := by
`simp` の設定で `arith` を有効にすると、算術的な単純化もできるようになります。
これはよく使用されるので、`simp_arith` という省略形が用意されています。
-/
set_option linter.flexible false in --#

example {x y : Nat} : 0 < 1 + x ∧ x + y + 2 ≥ y + 1 := by
-- `simp` だけでは証明が終わらない
Expand Down