X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=blobdiff_plain;f=matita%2Fcontribs%2FRELATIONAL%2FNLE%2Fdefs.ma;h=18fc87b107ddc038b0b997322d0a9a5501283239;hb=a2f9236b189b39bb5e7d864991cae29c9f9cb67f;hp=146c274b344a339ff9451f79ed8f076c8f50fa09;hpb=4d945e028b3787f5aa26bdb0ef1639cde3ac30fe;p=helm.git diff --git a/matita/contribs/RELATIONAL/NLE/defs.ma b/matita/contribs/RELATIONAL/NLE/defs.ma index 146c274b3..18fc87b10 100644 --- a/matita/contribs/RELATIONAL/NLE/defs.ma +++ b/matita/contribs/RELATIONAL/NLE/defs.ma @@ -16,8 +16,10 @@ set "baseuri" "cic:/matita/RELATIONAL/NLE/defs". include "NPlus/defs.ma". -inductive NLE (q:Nat) (r:Nat): Prop \def - | nle_nplus: \forall p. (p + q == r) \to NLE q r. +inductive NLE: Nat \to Nat \to Prop \def + | nle_zero_1: \forall q. NLE zero q + | nle_succ_succ: \forall p,q. NLE p q \to NLE (succ p) (succ q) +. (*CSC: the URI must disappear: there is a bug now *) interpretation "natural 'greater or equal to'" 'geq y x=