X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fmatita%2Fcontribs%2Flambdadelta%2Fbasic_1%2Fnf2%2Fdefs.ma;h=5b4849d7a76b064657ae80664433c0925b8b1dae;hp=d501b8b3cba6ab76ed2506f6f022bbc4ed6e5092;hb=57ae1762497a5f3ea75740e2908e04adb8642cc2;hpb=049d55c73d1746e15a40e89b17fd88b62f002d93 diff --git a/matita/matita/contribs/lambdadelta/basic_1/nf2/defs.ma b/matita/matita/contribs/lambdadelta/basic_1/nf2/defs.ma index d501b8b3c..5b4849d7a 100644 --- a/matita/matita/contribs/lambdadelta/basic_1/nf2/defs.ma +++ b/matita/matita/contribs/lambdadelta/basic_1/nf2/defs.ma @@ -22,7 +22,6 @@ definition nf2: \lambda (c: C).(\lambda (t1: T).(\forall (t2: T).((pr2 c t1 t2) \to (eq T t1 t2)))). -let rec nfs2 (c: C) (ts: TList) on ts: Prop \def match ts with [TNil -\Rightarrow True | (TCons t ts0) \Rightarrow (let TMP_1 \def (nf2 c t) in -(let TMP_2 \def (nfs2 c ts0) in (land TMP_1 TMP_2)))]. +rec definition nfs2 (c: C) (ts: TList) on ts: Prop \def match ts with [TNil +\Rightarrow True | (TCons t ts0) \Rightarrow (land (nf2 c t) (nfs2 c ts0))].