\_sh v3.0  257  Phonological Rules

\id Phonological rules to generate English
\co ===============
\co     Definitions
\co ===============
\co Vowel
\def V
a e i o u
\co Consonant
\def C
b c d f g h j k l m n p q r s t v w x y z
\co Single consonants that double
\def Cs
b d g m n p r t

\co ===============
\co    Phonological Rules
\co ===============
\co Rule 1: Irregular words
\ru seek -ed
sought

\co Rule 2: y to i before e
\ru y -e
ie
\ex tried, crier

\co Rule 3: Final e after consonant disappears
before vowel
\ru [C]e -[V]
[C][V]
\ex danced, dancer, dancing

\co Rule 4: Doubled consontants
\ru [V][Cs] -e
[V][Cs][Cs]e
\ex dropped, slipper

\co Rule 5: Article a vs. an
\co (Hyphen is put on 'a-' by lookup before
generate. Also 'an' is changed to 'a-' by
lookup.)
\ru #a- [V]
#an##[V]
\ex an eye

\co Rule 6: If not 'an', then it is 'a'.
\co (Double space keeps alignment of next
word.)
\ru #a-
#a###
\ex