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By Peter Zilahy Ingerman

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7 the rules are indicated by dots. 9) {A} {[21 A [1]} r ^ "'^— {D} {[2]A[1]} (L[l]} Bj {C} The Basic Translation Process 27 digits and the constructs to which they refer. The result of unwinding this tree of Fig. 6 as the input accretion. Again, the reader should be sure that he understands the derivation of Fig. 9 from Fig. 10 from Fig. 9. The Basic Translation Process The basic translation process consists of two complementary pro­ cesses: parsing and unparsing. The source language, considered as a string of objects, is parsed according to the grammar which is provided as the description of the source language in Fig.

These interrelationships, as well as the objects themselves, are used, in the second process, to determine the set of meanings which may be attributed to the objects to make them symbols, and to determine which particular meaning is to be selected by the rules of pragmatics. The second process will be discussed later in this chapter. 7 on the following page. With the exception of the head of the tree (which is written at the top of the diagram*), every name (enclosed in broken brackets) is both a metaresult (as seen looking up the tree) and a metacomponent (as seen looking down the tree).

T . t . t . t t t . . t . t . t . . 1 1 1 1 1 1 1 1 1 :J 4 5 6 7 8 9 0 1 2 3 4 . 5 6 7 t . . . t . . . . t . t t . . . t t . . t . t . t . . t . t t . . t . . t t , . t t . t . t t . . t . t . t t t . . t t . t t . t t . t t t t . . t . . t . t . . . . 8 . . t t t ao ae, u a e , [46] as, in, m o df,[67] dn,ep,[48] d,ui,[66] . f,P,[52] id,l,[55] . t t t . . . t . . t . . . t . lp,lpl,[59] t,[62] un, ( , [ 4 3 ] ALL LETTERS ALL DIGITS - , + . t t . .

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