Added default concepts in concepts init file

_concepts.txt

@@ -18,24 +18,24 @@ def concept seventeen as 17
 def concept eighteen as 18
 def concept nineteen as 19
 def concept twenty as 20
-def concept numbers
-def one isa number
-def two isa number
-def three isa number
-def four isa number
-def five isa number
-def six isa number
-def seven isa number
-def eight isa number
-def nine isa number
-def ten isa number
-def eleven isa number
-def twelve isa number
-def thirteen isa number
-def fourteen isa number
-def fifteen isa number
-def sixteen isa number
-def seventeen isa number
-def eighteen isa number
-def nineteen isa number
-def twenty isa number
+def concept number
+one isa number
+two isa number
+three isa number
+four isa number
+five isa number
+six isa number
+seven isa number
+eight isa number
+nine isa number
+ten isa number
+eleven isa number
+twelve isa number
+thirteen isa number
+fourteen isa number
+fifteen isa number
+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