X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=helm%2Fsoftware%2Fmatita%2Flibrary%2Fnat%2Ford.ma;h=7dd4fb362bce6a7803caf1837ec2430e6370ddf2;hb=8ae1653eb75d2b57c50e077c49cb9d078313ea9d;hp=9d700714585569cb3705be2bb1682ef0148ea7a6;hpb=08fddf59ad83f95ece083c6434bbffee6d0d1ba8;p=helm.git diff --git a/helm/software/matita/library/nat/ord.ma b/helm/software/matita/library/nat/ord.ma index 9d7007145..7dd4fb362 100644 --- a/helm/software/matita/library/nat/ord.ma +++ b/helm/software/matita/library/nat/ord.ma @@ -249,8 +249,9 @@ unfold.intro. elim (divides_times_to_divides ? ? ? H H9). apply (absurd ? ? H10 H5). apply (absurd ? ? H10 H7). -(* rewrite > H6. -rewrite > H8. *) +(* REGRESSION *) +rewrite > H6. +rewrite > H8. autobatch paramodulation. unfold prime in H. elim H. assumption. qed. @@ -298,7 +299,7 @@ cut (S O < p) apply (lt_to_not_eq O ? H). rewrite > H7. rewrite < H10. - autobatch + autobatch;assumption; ] |elim c [rewrite > sym_gcd.