From a5a721094bcd4eabbaedc8e51e1dd4880ff52cdc Mon Sep 17 00:00:00 2001
From: Kodjo Sossouvi <kodjo.sossouvi@gmail.com>
Date: Fri, 31 Jan 2020 23:20:56 +0100
Subject: [PATCH] Fixed concepts file

---
 _concepts.txt | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/_concepts.txt b/_concepts.txt
index b222006..c456dd6 100644
--- a/_concepts.txt
+++ b/_concepts.txt
@@ -38,4 +38,6 @@ sixteen isa number
 seventeen isa number
 eighteen isa number
 nineteen isa number
-twenty isa numberdef concept twenties from bnf twenty number where number < 10 as twenty + number
+twenty isa number
+def concept twenties from bnf twenty number where number < 10 as twenty + number
+