commit by user mkmluser

[helm.git] / matita / matita / contribs / lambda_delta / ground_2 / xoa.ma

diff --git a/matita/matita/contribs/lambda_delta/ground_2/xoa.ma b/matita/matita/contribs/lambda_delta/ground_2/xoa.ma
index 6fe0ca0379a33b26b6ebfd0992aee742a5efe9bc..d96b471e6db1143a207c87ce83c11e9da2060322 100644 (file)
--- a/matita/matita/contribs/lambda_delta/ground_2/xoa.ma
+++ b/matita/matita/contribs/lambda_delta/ground_2/xoa.ma
@@ -80,6 +80,14 @@ inductive ex3_3 (A0,A1,A2:Type[0]) (P0,P1,P2:A0→A1→A2→Prop) : Prop ≝
 
 interpretation "multiple existental quantifier (3, 3)" 'Ex P0 P1 P2 = (ex3_3 ? ? ? P0 P1 P2).
 
+(* multiple existental quantifier (3, 4) *)
+
+inductive ex3_4 (A0,A1,A2,A3:Type[0]) (P0,P1,P2:A0→A1→A2→A3→Prop) : Prop ≝
+   | ex3_4_intro: ∀x0,x1,x2,x3. P0 x0 x1 x2 x3 → P1 x0 x1 x2 x3 → P2 x0 x1 x2 x3 → ex3_4 ? ? ? ? ? ? ?
+.
+
+interpretation "multiple existental quantifier (3, 4)" 'Ex P0 P1 P2 = (ex3_4 ? ? ? ? P0 P1 P2).
+
 (* multiple existental quantifier (4, 2) *)
 
 inductive ex4_2 (A0,A1:Type[0]) (P0,P1,P2,P3:A0→A1→Prop) : Prop ≝