X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fcontribs%2FLOGIC%2FPRed%2Fwlt.ma;fp=matita%2Fcontribs%2FLOGIC%2FPRed%2Fwlt.ma;h=c48cfb0789611314d5965a2a5894e7962dcf7491;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1 diff --git a/matita/contribs/LOGIC/PRed/wlt.ma b/matita/contribs/LOGIC/PRed/wlt.ma new file mode 100644 index 000000000..c48cfb078 --- /dev/null +++ b/matita/contribs/LOGIC/PRed/wlt.ma @@ -0,0 +1,29 @@ +(**************************************************************************) +(* ___ *) +(* ||M|| *) +(* ||A|| A project by Andrea Asperti *) +(* ||T|| *) +(* ||I|| Developers: *) +(* ||T|| The HELM team. *) +(* ||A|| http://helm.cs.unibo.it *) +(* \ / *) +(* \ / This file is distributed under the terms of the *) +(* v GNU General Public License Version 2 *) +(* *) +(**************************************************************************) + + + +(**) + +include "PEq/defs.ma". +include "PRed/defs.ma". +include "WLT/defs.ma". +(* +theorem pred_wlt: \forall p1,p2,Q1,Q2,S. + [Q1, p1, S] => [Q2, p2, S] \to \lnot [Q1, p1] = [Q2, p2] \to + [Q2, p2] < [Q1, p1]. + intros 6; elim H; clear H; + [ unfold Not in H1; lapply linear depth = 1 H1; + [ decompose | autobatch ] +*)