X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fstatic_2%2Fsyntax%2Ftdeq_ext.ma;h=09f7c5a7617f5a2988e5a798e6c4cd89509b34ef;hp=f13292089072cddf525a5372cac1d7b2abdd4764;hb=4173283e148199871d787c53c0301891deb90713;hpb=a67fc50ccfda64377e2c94c18c3a0d9265f651db diff --git a/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma b/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma index f13292089..09f7c5a76 100644 --- a/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma +++ b/matita/matita/contribs/lambdadelta/static_2/syntax/tdeq_ext.ma @@ -12,29 +12,29 @@ (* *) (**************************************************************************) -include "static_2/notation/relations/stareq_5.ma". +include "static_2/notation/relations/stareq_3.ma". include "static_2/syntax/cext2.ma". include "static_2/syntax/tdeq.ma". -(* EXTENDED DEGREE-BASED EQUIVALENCE ****************************************) +(* EXTENDED SORT-IRRELEVANT EQUIVALENCE *************************************) -definition tdeq_ext: ∀h. sd h → relation bind ≝ - λh,o. ext2 (tdeq h o). +definition tdeq_ext: relation bind ≝ + ext2 tdeq. -definition cdeq: ∀h. sd h → relation3 lenv term term ≝ - λh,o,L. tdeq h o. +definition cdeq: relation3 lenv term term ≝ + λL. tdeq. -definition cdeq_ext: ∀h. sd h → relation3 lenv bind bind ≝ - λh,o. cext2 (cdeq h o). +definition cdeq_ext: relation3 lenv bind bind ≝ + cext2 cdeq. interpretation - "context-free degree-based equivalence (binder)" - 'StarEq h o I1 I2 = (tdeq_ext h o I1 I2). + "context-free sort-irrelevant equivalence (binder)" + 'StarEq I1 I2 = (tdeq_ext I1 I2). interpretation - "context-dependent degree-based equivalence (term)" - 'StarEq h o L T1 T2 = (cdeq h o L T1 T2). + "context-dependent sort-irrelevant equivalence (term)" + 'StarEq L T1 T2 = (cdeq L T1 T2). interpretation - "context-dependent degree-based equivalence (binder)" - 'StarEq h o L I1 I2 = (cdeq_ext h o L I1 I2). + "context-dependent sort-irrelevant equivalence (binder)" + 'StarEq L I1 I2 = (cdeq_ext L I1 I2).