From e9e80fc389365e24d4300d7d5390c7d833a96c50 Mon Sep 17 00:00:00 2001
From: aarne <aarne@cs.chalmers.se>
Date: Wed, 25 Jun 2008 16:54:35 +0000
Subject: changed names of resource-1.3; added a note on homepage on release

---
 old-examples/systemS/Proof.gf | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)
 create mode 100644 old-examples/systemS/Proof.gf

(limited to 'old-examples/systemS/Proof.gf')

diff --git a/old-examples/systemS/Proof.gf b/old-examples/systemS/Proof.gf
new file mode 100644
index 000000000..06a6f1c68
--- /dev/null
+++ b/old-examples/systemS/Proof.gf
@@ -0,0 +1,23 @@
+abstract Proof = Formula ** {
+
+  cat
+    Text ;
+    Proof ;
+    [Formula] ;
+
+  fun
+    Start : [Formula] -> Formula -> Proof -> Text ;
+
+    Hypo : Proof ;
+    Implic : [Formula] -> Formula -> Proof -> Proof ;
+    RedAbs : Formula -> Proof -> Proof ;
+    ExFalso : Formula -> Proof ;
+    ConjSplit : Formula -> Formula -> Formula -> Proof -> Proof ;
+    ModPon : [Formula] -> Formula -> Proof -> Proof ;
+    Forget : [Formula] -> Formula -> Proof -> Proof ;
+
+    DeMorgan1, DeMorgan2 : Formula -> Formula -> Proof -> Proof ;
+    ImplicNeg : [Formula] -> Formula -> Proof -> Proof ;
+    NegRewrite : Formula -> [Formula] -> Proof -> Proof ;
+
+}
-- 
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