- new tactic applyP for use in the *P*rocedural script reconstruction

[helm.git] / helm / software / matita / contribs / dama / dama / models / nat_dedekind_sigma_complete.ma

diff --git a/helm/software/matita/contribs/dama/dama/models/nat_dedekind_sigma_complete.ma b/helm/software/matita/contribs/dama/dama/models/nat_dedekind_sigma_complete.ma
index bc009b5c6fc6bcdb67dee6c63d84ddd7e819eed4..cb73c2d5f42aa617f167d4954ba63da2d3297496 100644 (file)
--- a/helm/software/matita/contribs/dama/dama/models/nat_dedekind_sigma_complete.ma
+++ b/helm/software/matita/contribs/dama/dama/models/nat_dedekind_sigma_complete.ma
@@ -17,17 +17,6 @@ include "supremum.ma".
 include "nat/le_arith.ma".
 include "russell_support.ma".
 
-inductive cmp_cases (n,m:nat) : CProp ≝
-  | cmp_lt : n < m → cmp_cases n m
-  | cmp_eq : n = m → cmp_cases n m
-  | cmp_gt : m < n → cmp_cases n m.
-  
-lemma cmp_nat: ∀n,m.cmp_cases n m.
-intros; generalize in match (nat_compare_to_Prop n m);
-cases (nat_compare n m); intros;
-[constructor 1|constructor 2|constructor 3] assumption;
-qed.
-
 alias symbol "pi1" = "exT \fst".
 alias symbol "leq" = "natural 'less or equal to'".
 lemma nat_dedekind_sigma_complete: