made articles and mass syntactic in exper

lib/resource/exper/abstract/Noun.gf

@@ -36,28 +36,25 @@ abstract Noun = Cat ** {
 -- (This is modified from CLE by further dividing their $Num$ into 
 -- cardinal and ordinal.)
 
-    DetArt   : Art -> Num -> Ord -> Det ;  -- the five best men
+    DetQuant : Quant -> Num -> Ord -> Det ;  -- the five best men
 
 -- Notice that $DetPl$ can still result in a singular determiner, because
 -- "one" is a numeral: "this one man".
 
 -- Quantifiers can form noun phrases directly.
 
-    DetQuant : Quant -> Num -> Ord -> NP ;  -- these five
-
--- Quantifiers can also be used in the same way as articles.
-
-    ArtQuant : Quant -> Art ;
+    DetNP : Quant -> Num -> Ord -> NP ;  -- these five
 
 -- Pronouns have possessive forms. Genitives of other kinds
 -- of noun phrases are not given here, since they are not possible
 -- in e.g. Romance languages. They can be found in
 -- [``Extra`` ../abstract/Extra.gf].
 
-    PossPron : Pron -> Art ;    -- my (house)
+    PossPron : Pron -> Quant ;    -- my (house)
 
 -- All parts of the determiner can be empty, except $Quant$, which is
--- the "kernel" of a determiner.
+-- the "kernel" of a determiner. It is, however, the $Num$ that determines
+-- the inherent numbers.
 
     NumSg  : Num ;
     NumPl  : Num ;
@@ -90,18 +87,18 @@ abstract Noun = Cat ** {
     OrdNumeralNP : Numeral -> NP ;   -- the fiftieth
     NumNumeralNP : Numeral -> NP ;   -- fifty
 
--- Definite and indefinite constructions are sometimes realized as
+-- Definite and indefinite noun phrases are sometimes realized as
 -- neatly distinct words (Spanish "un, unos ; el, los") but also without
 -- any particular word (Finnish; Swedish definites).
 
-    DefArt   : Art ;       -- the (house), the (houses)
-    IndefArt : Art ;       -- a (house), (houses)
+    DefNP   : Num -> Ord -> CN -> NP ;  -- the (house), the (houses)
+    IndefNP : Num -> Ord -> CN -> NP ;  -- a (house), (houses)
 
 -- Nouns can be used without an article as mass nouns. The resource does
 -- not distinguish mass nouns from other common nouns, which can result
 -- in semantically odd expressions.
 
-    MassDet  : Art ;       -- (beer)
+    MassNP  : CN -> NP ;                -- (beer)
 
 -- Other determiners are defined in [Structural Structural.html].