]> matita.cs.unibo.it Git - helm.git/blobdiff - helm/software/matita/contribs/formal_topology/overlap/o-basic_topologies.ma
Basic pairs went through with no problems.
[helm.git] / helm / software / matita / contribs / formal_topology / overlap / o-basic_topologies.ma
index 61334e54080fe84472942e6e88556d3ea02c9efe..6accfaeaab9ad7e07ba260eec624551756be3038 100644 (file)
@@ -176,6 +176,9 @@ definition BTop: category2.
     apply (#‡(id_neutral_left2 : ?));]
 qed.
 
+definition btop_carr: BTop → Type1 ≝ λo:BTop. carr1 (oa_P (carrbt o)).
+coercion btop_carr.
+
 (*
 (*CSC: unused! *)
 (* this proof is more logic-oriented than set/lattice oriented *)
@@ -201,4 +204,4 @@ theorem continuous_relation_eqS:
   [2,4: intros; apply saturation_monotone; try (apply A_is_saturation); apply Hcut;]
  apply Hcut2; assumption.
 qed.
-*)
\ No newline at end of file
+*)