1 files changed, 30 insertions, 26 deletions

diff --git a/examples/tutorial/semantics/BaseI.gf b/examples/tutorial/semantics/BaseI.gf
index 23b4fbcb8..04fb0018c 100644
--- a/examples/tutorial/semantics/BaseI.gf
+++ b/examples/tutorial/semantics/BaseI.gf
@@ -1,20 +1,20 @@
---# -path=.:prelude:present
-
-concrete BaseEng of Base = open Syntax, (G = Grammar), Symbolic, LexBase in {
+incomplete concrete BaseI of Base = 
+  open Syntax, (G = Grammar), Symbolic, LexBase in {
 
 flags lexer=literals ; unlexer=text ;
 
 lincat
-  Question = Phr ;
-  Answer = Phr ;
+  Question = G.Phr ;
+  Answer = G.Phr ;
   S  = Cl ;
-  NP = NP ;
-  PN = NP ;
-  CN = CN ;
-  AP = AP ;
-  A2 = A2 ;
-  Conj = Conj ;
-  ListPN = ListNP ;
+  NP = G.NP ;
+  PN = G.NP ;
+  CN = G.CN ;
+  AP = G.AP ;
+  A2 = G.A2 ;
+  Conj = G.Conj ;
+  ListPN = G.ListNP ;
+
 lin 
   PredAP  = mkCl ;
 
@@ -34,33 +34,37 @@ lin
   And = and_Conj ;
   Or  = or_Conj ;
 
-  UseInt = symb ;
+  UseInt i = symb i ;
 
   Number = mkCN number_N ;
 
-  Even   = mkAP even_A ;
-  Odd    = mkAP odd_A ;
-  Prime  = mkAP prime_A ;
-  Equal  = mkA2 equal_A2 ;
-  Greater = mkA2 greater_A2 ;
-  Smaller = mkA2 smaller_A2 ;
-  Divisible = mkA2 divisible_A2 ;
+  Even = mkAP even_A ;
+  Odd  = mkAP odd_A ;
+  Prime = mkAP prime_A ;
+  Equal = equal_A2 ;
+  Greater = greater_A2 ;
+  Smaller = smaller_A2 ;
+  Divisible = divisible_A2 ;
  
-  Sum pns = mkNP defSgDet (mkCN sum_N2 (mkNP and_Conj pns)) ;
----  Product = prefixSS ["the product of"] ;
+  Sum     = prefix sum_N2 ;
+  Product = prefix product_N2 ;
 ---  GCD     = prefixSS ["the greatest common divisor of"] ;
 
----  WhatIs = prefixSS ["what is"] ;
----  WhichAre cn ap = ss ("which" ++ cn.s ++ "is" ++ ap.s) ; ---- are
-  QuestS s = mkPhr (mkQCl s) ;
+  WhatIs np = mkPhr (mkQS (mkQCl whatSg_IP (mkVP np))) ;
+  WhichAre cn ap = mkPhr (mkQS (mkQCl (mkIP whichPl_IDet cn) (mkVP ap))) ;
+  QuestS s = mkPhr (mkQS (mkQCl s)) ;
 
   Yes = yes_Phr ;
   No = no_Phr ;
 
   Value np = mkPhr (mkUtt np) ;
-  Many list = list ;
+  Many list = mkNP and_Conj list ;
 
   BasePN = G.BaseNP ;
   ConsPN = G.ConsNP ;
+
+oper
+  prefix : G.N2 -> G.ListNP -> G.NP = \n2,nps -> 
+    mkNP defSgDet (mkCN n2 (mkNP and_Conj nps)) ;
   
 }