update in ground

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

diff --git a/matita/matita/contribs/lambdadelta/bin/recomm/recommGcdGroundArith.ml b/matita/matita/contribs/lambdadelta/bin/recomm/recommGcdGroundArith.ml
new file mode 100644 (file)
index 0000000..b3ed0f2
--- /dev/null
+++ b/matita/matita/contribs/lambdadelta/bin/recomm/recommGcdGroundArith.ml
@@ -0,0 +1,16 @@
+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
+  | "\206\187\206\180-2B" :: tl -> k T.OK ("\206\187\206\180-2B" :: outs) tl
+  | "\206\187\206\180-2A" :: tl -> k T.OK ("\206\187\206\180-2A" :: outs) tl
+  | "WELL-FOUNDED" :: "INDUCTION" :: tl -> k T.OK ("INDUCTION" :: "WELL-FOUNDED" :: outs) tl
+  | "NON-NEGATIVE" :: "INTEGERS" :: "WITH" :: "INFINITY" :: tl -> k T.OK ("INFINITY" :: "WITH" :: "INTEGERS" :: "NON-NEGATIVE" :: outs) tl
+  | "NON-NEGATIVE" :: "INTEGERS" :: tl -> k T.OK ("INTEGERS" :: "NON-NEGATIVE" :: outs) tl
+  | "POSITIVE" :: "INTEGERS" :: tl -> k T.OK ("INTEGERS" :: "POSITIVE" :: outs) tl
+  | _ -> k T.OO outs ins
+
+let main =
+  R.register_d step