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-gr.gramgene1
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1995-06-05
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698b
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29 lines
V.2.5
Date: Lun 5 Juin 1995 -- 18:59
-se.gramgene
-ho.gramgene
// This "metagrammar" generates grammars...
INIT: Clear window "Data"
RND [A grammar is a set of rules]
GRAM#1[1] <1> S --> '-ho.abc'; 'RND'; Ri
GRAM#1[2] <10> S --> S ; R
----------------------
RND [Definition of a context-free rule in Chomsky normal form]
GRAM#2[1] Ri --> 'S' '-->' Arg2
GRAM#2[2] R --> Arg1 '-->' Arg2
GRAM#2[3] Arg1 --> Variable
GRAM#2[4] <1> Arg2 --> Constante
GRAM#2[5] <5> Arg2 --> Variable Variable
------------------------
RND
GRAM#3[1] Variable --> X
GRAM#3[2] Variable --> Y
GRAM#3[3] Variable --> Z
GRAM#3[4] Constante --> a
GRAM#3[5] Constante --> b
GRAM#3[6] Constante --> c
GRAM#3[7] Constante --> d