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2 changes: 1 addition & 1 deletion LeanByExample/Reference/Tactic/Trans.lean
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推移的な関係 `∼` に対してゴールが `a ∼ c` であるとき、`trans b` により2つのサブゴール `a ∼ b` と `b ∼ c` が生成されます。[`calc`](./Calc.md) を使っても同じことができますが、`calc` を使うまでもないときに便利かもしれません。
-/
import Mathlib.Tactic.Relation.Trans
import Batteries.Tactic.Trans

example {n m : Nat} (h1 : n ≤ 1) (h2 : 1 ≤ m) : n ≤ m := by
-- 1 を仲介して示す
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6 changes: 3 additions & 3 deletions lake-manifest.json
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