X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fground_2%2Fxoa%2Fex_4_1_props.ma;h=3841d916a28a659ca574facaf19f8a183fb109b2;hp=fe081386b301b8498ae764032fe547fe601817b6;hb=dd93a0919b67bead0d4f07d49dfc198006edc9aa;hpb=4173283e148199871d787c53c0301891deb90713 diff --git a/matita/matita/contribs/lambdadelta/ground_2/xoa/ex_4_1_props.ma b/matita/matita/contribs/lambdadelta/ground_2/xoa/ex_4_1_props.ma index fe081386b..3841d916a 100644 --- a/matita/matita/contribs/lambdadelta/ground_2/xoa/ex_4_1_props.ma +++ b/matita/matita/contribs/lambdadelta/ground_2/xoa/ex_4_1_props.ma @@ -14,7 +14,7 @@ include "ground_2/xoa/xoa.ma". -(* Properties with multiple existental quantifier (5, 1) ********************) +(* Properties with multiple existental quantifier (4, 1) ********************) lemma ex4_commute (A0) (P0,P1,P2,P3:A0→Prop): (∃∃x0. P0 x0 & P1 x0 & P2 x0 & P3 x0) → ∃∃x0. P2 x0 & P3 x0 & P0 x0 & P1 x0.