we added the implicit coercion for modus tollens

[helm.git] / helm / software / lambda-delta / automath / autItem.ml

diff --git a/helm/software/lambda-delta/automath/autItem.ml b/helm/software/lambda-delta/automath/autItem.ml
index 0f8b082348f9a99c95b8e60de546246810f44260..19d4e1af14641d0479504ef1844fb61b79fa2c1d 100644 (file)
--- a/helm/software/lambda-delta/automath/autItem.ml
+++ b/helm/software/lambda-delta/automath/autItem.ml
@@ -20,3 +20,9 @@ let uri s = U.uri_of_string ("ld:" ^ s)
 let imp = uri "/l/imp"
 
 let mp = uri "/l/mp"
+
+let mt = uri "/l/mt"
+
+let con = uri "/l/con"
+
+let not = uri "/l/not"