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binary tree 0.001145814
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finite set 0.001122503
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string concatenation 0.001114938
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normal form 0.001081717
word order 0.001029656
diﬃcult problem 0.001014325
language 9.9863E-4
head grammars 9.81064E-4
binary rule 9.74044E-4
following properties 9.69709E-4
particular grammar 9.546839999999999E-4
following rules 9.546660000000001E-4
latter case 9.481940000000001E-4
movement grammars 9.44655E-4
special case 9.44397E-4
ther case 9.294030000000001E-4
adjoining grammars 9.293029999999999E-4
head grammar 9.284149999999999E-4
former case 9.2559E-4
extreme case 9.235300000000001E-4
derivation trees 9.186519999999999E-4
single node 8.832619999999999E-4
grammar actu 8.72444E-4
string 8.6305E-4
first condition 8.3964E-4
following condition 8.329100000000001E-4
third rule 8.31748E-4
following conditions 8.221700000000001E-4
only way 8.202190000000001E-4
first ver 7.938999999999999E-4
following observation 7.91584E-4
leaf node 7.866629999999999E-4
binary rules 7.83143E-4
right child 7.818219999999999E-4
problem 7.79318E-4
internal node 7.71881E-4
node label 7.69878E-4
other words 7.6868E-4
terminal strings 7.62353E-4
parent node 7.604129999999999E-4
node ind 7.604129999999999E-4
right concatenation 7.55288E-4
languages 7.46145E-4
natural lan 7.456100000000001E-4
mix number 7.43883E-4
right children 7.41801E-4
ing rules 7.4163E-4
formal sys 7.31167E-4
formal characterization 7.28412E-4
formal counterpart 7.22584E-4
short strings 7.09969E-4
other hand 7.06824E-4
free monoid 6.97542E-4
grammars 6.92519E-4
equal number 6.82201E-4
useless nonterminal 6.809909999999999E-4
terminal symbols 6.764130000000001E-4
special properties 6.73557E-4
recent result 6.698209999999999E-4
certain kinds 6.68411E-4
last type 6.66377E-4
above procedure 6.64598E-4
certain path 6.56376E-4
total number 6.547759999999999E-4
left child 6.53675E-4
natural numbers 6.53573E-4
function 6.51388E-4
obvious way 6.50552E-4
polynomial parsing 6.46662E-4
permutation closure 6.43562E-4
grammar 6.3987E-4
new pair 6.32903E-4
guished element 6.29422E-4
left concatenation 6.27141E-4
certain constituents 6.269839999999999E-4
certain lim 6.269839999999999E-4
nite set 6.24138E-4
useless nonterminals 6.21489E-4
binary predicate 6.15143E-4
mathematical proof 6.129270000000001E-4
open question 6.12723E-4
diagonal segment 6.101209999999999E-4
similar position 6.06599E-4
computational linguistics 6.062649999999999E-4
