推 mygoat:infinite recursion 我猜就是傳說中的無限迴圈? 140.112.243.91 06/22
6.
a. V→V S
b. AP→A PP
c. VP→V NP to VP
總結本file的PS rules (phrase structure rules)
1. Sentantial Category
S
2. Phrasal Categories
NP
VP
PP
AP
3. Lexical Categories
N
V
A/ADJ
P
ADV
DET
Quan
Conj
PS rules:
S→NP (AUX) (not) VP
NP→(DET) (ADJ) N (PP) see p. 201 (18)
VP→V (NP) (ADV) (PP) (ADV) see p. 201 (17)
VP→V (that) S
AP→A (PP)
PP→P NP
XP→X Conj X
Ambiguity: p. 200 (13) & (14), paying attention to the PP
Recursion: …Z…→…Z…
只要在PS rules的箭頭(→)兩邊都有的categories,就會造成
infinite recursion (several categories appear on both the
left and right sides of several rules)
1.
S→NP VP
VP→V (that) S
e.g. I think (that) you said (that) John knew (that) the reprot concluded
(that)…
2.
NP→N PP
PP→P NP
e.g. p. 203 & “the girl with the feather on the ribbon on the brim…”
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