X-Git-Url: http://matita.cs.unibo.it/gitweb/?p=helm.git;a=blobdiff_plain;f=matita%2Fcontribs%2Fassembly%2Ffreescale%2Ffreescale_ocaml%2Fmatita_nat_minus.ml;fp=matita%2Fcontribs%2Fassembly%2Ffreescale%2Ffreescale_ocaml%2Fmatita_nat_minus.ml;h=b309f29bc09a051a5db9a6965ad57550daefb6b7;hp=0000000000000000000000000000000000000000;hb=f61af501fb4608cc4fb062a0864c774e677f0d76;hpb=58ae1809c352e71e7b5530dc41e2bfc834e1aef1

diff --git a/matita/contribs/assembly/freescale/freescale_ocaml/matita_nat_minus.ml b/matita/contribs/assembly/freescale/freescale_ocaml/matita_nat_minus.ml
new file mode 100644
index 000000000..b309f29bc
--- /dev/null
+++ b/matita/contribs/assembly/freescale/freescale_ocaml/matita_nat_minus.ml
@@ -0,0 +1,13 @@
+let minus =
+let rec minus = 
+(function n -> (function m -> 
+(match n with 
+   Matita_nat_nat.O -> Matita_nat_nat.O
+ | Matita_nat_nat.S(p) -> 
+(match m with 
+   Matita_nat_nat.O -> (Matita_nat_nat.S(p))
+ | Matita_nat_nat.S(q) -> (minus p q))
+)
+)) in minus
+;;
+