PRESUPPOSITION & ENTAILMENT
Fernández, Antonella.-
For example:
Presupposition
relationship
MARY´S BROTHER BOUGHT THREE HORSES.
SENTENCES, not speakers, have ENTAILMENTS.
2 propositions
ORDERED ENTAILMENTS
SPEAKERS, not sentences, have PRESUPPOSITIONS.
a. Mary´s dog is cute. (=P)
b. Mary has a dog. (=q)
c. p >>q
E.g.
1. Rover chased three squirrels. (=p)
2.a. Sth chased three squirrels. (=q)
b. Rover did sth to three squirrels. (=r)
c. Rover chased three of sth. (=s)
d. Sth happened. (=t)
Constancy under negation
Types of presuppositions
e.g. "your car", "the cat"
e.g. "He did not realize he was ill" (>> He was ill)
e.g. "You are late again" (>> you were late before)
a. Mary´s dog isn´t cute. (=NOT p)
b. Mary has a dog. (=q)
c. NOT p >> q
e.g. "When did he leave?" (>> He left)
e.g. "I dreamed that I was rich" (>> I was not
rich)
e.g. "If I had money, I would buy
that car." (>> You don´t
have money)