X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fdama%2Fsandwich_corollary.ma;h=6b509a4a84ef7ba0e358739c21a1d5e9e008a20e;hb=6ba374cbb94797e58cd997c5b41099dd9f679a57;hp=72da08236392c9d79b44be6462c732f55bc48641;hpb=b3dd479a0a36aeea948dcea09336fe8dfec1462d;p=helm.git diff --git a/helm/software/matita/dama/sandwich_corollary.ma b/helm/software/matita/dama/sandwich_corollary.ma index 72da08236..6b509a4a8 100644 --- a/helm/software/matita/dama/sandwich_corollary.ma +++ b/helm/software/matita/dama/sandwich_corollary.ma @@ -14,15 +14,9 @@ include "sandwich.ma". -include "metric_lattice.ma". - (* 3.17 *) lemma tends_uniq: - ∀R.∀ml:mlattice R.∀xn:sequence ml. - ∀x,y:ml. - (* BUG: it inserts a compesoed coercion instead of an hand made one, - what to do? prefer the human made one or allow to kill a coercion? - *) + ∀R.∀ml:mlattice R.∀xn:sequence ml.∀x,y:ml. xn ⇝ x → xn ⇝ y → δ x y ≈ 0. intros (R ml xn x y H1 H2); unfold tends0 in H1 H2; unfold d2s in H1 H2; intro Axy; lapply (ap_le_to_lt ??? (ap_symmetric ??? Axy) (mpositive ? ml ??)) as ge0;