07

Potts, the logic of conventional implicatures

1 Intro.
2 A preliminary case for conventional iplicatures
2.1 A fresh look at an old definition
2.2 A brief history


Karttunene and Peters 1979 が面白いらしい．
CI と presuppositions は異なる．そう思わない意味論者も多い．
例．supplements

I spent part of every summer until I was ten with my grandmother, who lived in a working-class suburb of Boston. (suppplementary relative)

After first agreeing to lend me a modem to test, Motorola changed its mind and said that, amazingly, it had not to spare. (speaker-oriented adverb)

expressives: (`damb' expressive attributive adjective; Lebanese Arabic epithet; `...-ga o-warai-ni natta' Japanese subject honorific)

`At-issue entailments' for regular asserted content or what is said.
`speaker-oriented entailments' and `independent of the at-issue entailments'

(2.5) No lexical item contributes both an at-issue and a CI meaning

`but' has entirely at-issue content (Bach 1999) also Blakemore.