From d2f1919263fbde09514739ecdf0b814ce1a4f426 Mon Sep 17 00:00:00 2001
From: csharpython <121863991+csharpython@users.noreply.github.com>
Date: Sun, 17 Mar 2024 18:53:40 +0900
Subject: [PATCH] Update Problem4.lean
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不要な場合分けの修正
---
 Src/Problem4.lean | 1 -
 1 file changed, 1 deletion(-)

diff --git a/Src/Problem4.lean b/Src/Problem4.lean
index 0078aff..7c6985b 100644
--- a/Src/Problem4.lean
+++ b/Src/Problem4.lean
@@ -9,7 +9,6 @@ def myLength (l : List α) : Nat :=
   -- sorry
   match l with
   | [] => 0
-  | [_] => 1
   | _ :: a => (myLength a).succ
   -- sorry