X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Fdama%2Fattic%2Frings.ma;h=d4db003dc7a57b71fe97257d7c278f060994e73d;hb=cf07c50b03a49344eb4cbe2e1bc18fcef880b9e9;hp=2ea188847b81ab9c368ef18186e76831a29af8c9;hpb=a42d4bd78f10ac8fc725c50c193503a3f29b848f;p=helm.git diff --git a/helm/software/matita/dama/attic/rings.ma b/helm/software/matita/dama/attic/rings.ma index 2ea188847..d4db003dc 100644 --- a/helm/software/matita/dama/attic/rings.ma +++ b/helm/software/matita/dama/attic/rings.ma @@ -12,7 +12,7 @@ (* *) (**************************************************************************) -set "baseuri" "cic:/matita/rings/". + include "group.ma". @@ -66,13 +66,13 @@ theorem not_eq_zero_one: ∀R:ring.0 ≠ one R. qed. interpretation "Ring mult" 'times a b = - (cic:/matita/rings/mult.con _ a b). + (cic:/matita/attic/rings/mult.con _ a b). notation "1" with precedence 89 for @{ 'one }. interpretation "Ring one" 'one = - (cic:/matita/rings/one.con _). + (cic:/matita/attic/rings/one.con _). lemma eq_mult_zero_x_zero: ∀R:ring.∀x:R.0*x=0. intros;