update in gruound

[helm.git] / matita / matita / contribs / lambdadelta / bin / recomm / recommGcrGroundLib.ml

diff --git a/matita/matita/contribs/lambdadelta/bin/recomm/recommGcrGroundLib.ml b/matita/matita/contribs/lambdadelta/bin/recomm/recommGcrGroundLib.ml
new file mode 100644 (file)
index 0000000..6444972
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/bin/recomm/recommGcrGroundLib.ml
@@ -0,0 +1,19 @@
+module T = RecommTypes
+module R = RecommPccFor
+
+let step k st outs ins =
+  if st <> T.OO then k st outs ins else
+  match ins with
+  | "LENGTH" :: tl -> k T.OK ("LENGTH" :: outs) tl
+  | "ITERATED" :: "TAIL" :: tl -> k T.OK ("TAIL" :: "ITERATED" :: outs) tl
+  | "HEAD" :: "AND" :: "TAIL" :: tl -> k T.OK ("TAIL" :: "AND" :: "HEAD" :: outs) tl
+  | "NAT-LABELED" :: "REFLEXIVE" :: "AND" :: "TRANSITIVE" :: "CLOSURE" :: tl -> k T.OK ("CLOSURE" :: "TRANSITIVE" :: "AND" :: "REFLEXIVE" :: "NAT-LABELED" :: outs) tl
+  | "LABELLED" :: "TRANSITIVE" :: "CLOSURE" :: tl -> k T.OK ("CLOSURE" :: "TRANSITIVE" :: "LABELLED" :: outs) tl
+  | "TRANSITIVE" :: "CLOSURE" :: tl -> k T.OK ("CLOSURE" :: "TRANSITIVE" :: outs) tl
+  | "EXTENSIONAL" :: "EQUIVALENCE" :: tl -> k T.OK ("EQUIVALENCE" :: "EXTENSIONAL" :: outs) tl
+  | "DISJUNCTION" :: tl -> k T.OK ("DISJUNCTION" :: outs) tl
+  | "CONJUNCTION" :: tl -> k T.OK ("CONJUNCTION" :: outs) tl
+  | _ -> k T.OO outs ins
+
+let main =
+  R.register_r step