X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambda_delta%2FGround_2%2Fxoa.ma;h=1ff53beb4ca3664a0b26b2eb186244dca46d9868;hb=fcd30dfead2fbc2889aa993fba0577dce8a90c88;hp=48593d76e7c636150c4b75dbcc779700c2cd56dd;hpb=9581b03be2b2bc830820b93992920aaa2c021cc9;p=helm.git

diff --git a/matita/matita/contribs/lambda_delta/Ground_2/xoa.ma b/matita/matita/contribs/lambda_delta/Ground_2/xoa.ma
index 48593d76e..1ff53beb4 100644
--- a/matita/matita/contribs/lambda_delta/Ground_2/xoa.ma
+++ b/matita/matita/contribs/lambda_delta/Ground_2/xoa.ma
@@ -32,6 +32,14 @@ inductive ex2_2 (A0,A1:Type[0]) (P0,P1:A0→A1→Prop) : Prop ≝
 
 interpretation "multiple existental quantifier (2, 2)" 'Ex P0 P1 = (ex2_2 ? ? P0 P1).
 
+(* multiple existental quantifier (2, 3) *)
+
+inductive ex2_3 (A0,A1,A2:Type[0]) (P0,P1:A0→A1→A2→Prop) : Prop ≝
+   | ex2_3_intro: ∀x0,x1,x2. P0 x0 x1 x2 → P1 x0 x1 x2 → ex2_3 ? ? ? ? ?
+.
+
+interpretation "multiple existental quantifier (2, 3)" 'Ex P0 P1 = (ex2_3 ? ? ? P0 P1).
+
 (* multiple existental quantifier (3, 1) *)
 
 inductive ex3_1 (A0:Type[0]) (P0,P1,P2:A0→Prop) : Prop ≝