26 Recursion Some phrasal categories may appear to the left or right of the

26 recursion some phrasal categories may appear to

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26 Recursion Some phrasal categories may appear to the left or right of the arrow NP (DET) N ( PP ) PP P ( NP ) Recursion : the property that allows for a phrase to generate another phrase of same category (either directly or via repeated rule application) – This can yield infinitely long phrases/sentences
27 Recursion Recursion: – See "Recursion".
Recursion 28 Optional reading : pp 8 and 9 of ‘Words and Rules’ by Steve Pinker (on course website)
NP DET N PP a frog P NP on DET N PP the log P NP in DET N PP the hole P NP on DET N PP the bottom P NP of DET N the sea 29 NP DET N (PP) PP P NP ? v=CjwLvieUbf8#t=00m16s [ NP a frog [ PP on [ NP the log [ PP in [ NP the hole [ PP on [ NP the bottom [ PP of [ NP the sea] ] ] ] ] ] ] ] ]
Next Time HW 3 (Moodle) due at noon today Part I of Class Project is available on website HW 4 (Moodle) available on Monday 2/4 When there are no clicker questions, everyone gets a participation point for that day 30

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