* Initial invocation: - Patience on me to gain peace and perfection! -
*)
-include "ground_2/star.ma".
-include "basic_2/notation.ma".
+include "ground_2/lib/star.ma".
+include "basic_2/notation/constructors/item0_0.ma".
+include "basic_2/notation/constructors/snitem2_2.ma".
(* ATOMIC ARITY *************************************************************)
(* Basic properties *********************************************************)
-lemma aarity_eq_dec: ∀A1,A2:aarity. Decidable (A1 = A2).
+lemma eq_aarity_dec: ∀A1,A2:aarity. Decidable (A1 = A2).
#A1 elim A1 -A1
[ #A2 elim A2 -A2 /2 width=1/
#B2 #A2 #_ #_ @or_intror #H destruct