forked from GitHub/gf-core
shrank example
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@@ -85,8 +85,8 @@ understand. Type (or copy) the following lines in a file named
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VP ::= V | TV NP | "is" A ;
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NP ::= ("this" | "that" | "the" | "a") CN ;
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CN ::= A CN ;
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CN ::= "bird" | "boy" | "man" | "louse" | "snake" | "worm" ;
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A ::= "big" | "green" | "rotten" | "thick" | "warm" ;
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CN ::= "boy" | "louse" | "snake" | "worm" ;
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A ::= "green" | "rotten" | "thick" | "warm" ;
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V ::= "laughs" | "sleeps" | "swims" ;
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TV ::= "eats" | "kills" | "washes" ;
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</pre>
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@@ -186,11 +186,10 @@ can generate, use the command <tt>generate_trees = gt</tt>.
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this boy laughs
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this boy sleeps
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this boy swims
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this boy is big
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...
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a bird is rotten
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a bird is thick
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a bird is warm
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a worm is rotten
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a worm is thick
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a worm is warm
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</pre>
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You get quite a few trees but not all of them: only up to a given
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<b>depth</b> of trees. To see how you can get more, use the
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@@ -295,13 +294,10 @@ labels to each rule. GF recognizes files of this format by the suffix
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Def. NP ::= "the" CN ;
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Indef. NP ::= "a" CN ;
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ModA. CN ::= A CN ;
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Bird. CN ::= "bird" ;
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Boy. CN ::= "boy" ;
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Man. CN ::= "man" ;
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Louse. CN ::= "louse" ;
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Snake. CN ::= "snake" ;
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Worm. CN ::= "worm" ;
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Big. A ::= "big" ;
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Green. A ::= "green" ;
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Rotten. A ::= "rotten" ;
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Thick. A ::= "thick" ;
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@@ -334,8 +330,8 @@ old grammar from the GF shell state.
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PredVP (Def Boy) (ComplTV Eat (Indef Snake))
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> gr -tr | l
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PredVP (Indef Louse) (UseA Big)
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a louse is big
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PredVP (Indef Louse) (UseA Thick)
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a louse is thick
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</pre>
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@@ -448,8 +444,8 @@ fun
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UseA : A -> VP ;
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ModA : A -> CN -> CN ;
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This, That, Def, Indef : CN -> NP ;
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Bird, Boy, Man, Louse, Snake, Worm : CN ;
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Big, Green, Rotten, Thick, Warm : A ;
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Boy, Louse, Snake, Worm : CN ;
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Green, Rotten, Thick, Warm : A ;
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Laugh, Sleep, Swim : V ;
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Eat, Kill, Wash : TV ;
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}
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@@ -480,13 +476,10 @@ lin
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Def cn = {s = "the" ++ cn.s} ;
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Indef cn = {s = "a" ++ cn.s} ;
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ModA a cn = {s = a.s ++ cn.s} ;
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Bird = {s = "bird"} ;
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Boy = {s = "boy"} ;
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Louse = {s = "louse"} ;
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Man = {s = "man"} ;
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Snake = {s = "snake"} ;
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Worm = {s = "worm"} ;
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Big = {s = "big"} ;
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Green = {s = "green"} ;
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Rotten = {s = "rotten"} ;
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Thick = {s = "thick"} ;
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@@ -537,13 +530,10 @@ lin
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Def cn = {s = "il" ++ cn.s} ;
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Indef cn = {s = "un" ++ cn.s} ;
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ModA a cn = {s = cn.s ++ a.s} ;
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Bird = {s = "uccello"} ;
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Boy = {s = "ragazzo"} ;
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Louse = {s = "pidocchio"} ;
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Man = {s = "uomo"} ;
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Snake = {s = "serpente"} ;
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Worm = {s = "verme"} ;
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Big = {s = "grande"} ;
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Green = {s = "verde"} ;
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Rotten = {s = "marcio"} ;
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Thick = {s = "grosso"} ;
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