changed names of resource-1.3; added a note on homepage on release

old-examples/logic/LogicI.gf

@@ -0,0 +1,59 @@
+incomplete concrete LogicI of Logic = 
+  open 
+    LexTheory,
+    Prooftext, 
+    Grammar, 
+    Constructors, 
+    Combinators
+  in {
+
+lincat 
+  Prop  = Prooftext.Prop ;
+  Proof = Prooftext.Proof ;
+  Dom   = Typ ;
+  Elem  = Object ;
+  Hypo  = Label ;
+  Text  = Section ;
+
+lin
+  ThmWithProof = theorem ;
+
+  Conj = coord and_Conj ;
+  Disj = coord or_Conj ;
+  Impl = coord ifthen_DConj ;
+
+  Abs = 
+    mkS (pred have_V2 (mkNP we_Pron) (mkNP (mkDet IndefArt) contradiction_N)) ;
+
+  Univ A B = 
+    AdvS 
+      (mkAdv for_Prep (mkNP all_Predet 
+        (mkNP (mkDet (PlQuant IndefArt)) (mkCN A (symb B.$0)))))
+      B ;
+
+  DisjIl A B a = proof a (proof afortiori (coord or_Conj A B)) ;
+  DisjIr A B b = proof b (proof afortiori (coord or_Conj A B)) ;
+
+  DisjE A B C c d e =
+    appendText
+      c 
+      (appendText
+        (appendText
+           (cases (mkNum n2)) 
+           (proofs 
+             (appendText (assumption A) d)
+             (appendText (assumption B) e)))
+        (proof therefore C)) ;
+
+  ImplI A B b = 
+    proof 
+      (assumption A) 
+      (appendText b (proof therefore (coord ifthen_DConj A B))) ;
+
+  Hypoth A h = proof hypothesis A ;
+
+
+lindef
+  Elem = defNP ;
+
+}