Local Implicatures and Double Negatives. Chemla, E. 2006. Ms. LSCP.
Local Implicatures and Double Negatives [pdf]Paper  abstract   bibtex   
In this note, I investigate a particular aspect of Chierchia (2004)'s local derivation of implicatures: the system relies on a hardwire asymmetry between downward and upward monotonic operators. As a result, logically equivalent sentences might have different implicatures. I argue that it reveals a lack of motivation for some operations in the system. John ate an apple, a banana or an orange. Predicted implicature: John ate exactly one of these fruits. It's not true that John did not eat an apple, a banana or an orange.Predicted implicature: If John ate an orange, he did not eat any apple or banana.
@unpublished{Chemla:2006rz,
	abstract = {In this note, I investigate a particular aspect of Chierchia (2004)'s local derivation of implicatures: the system relies on a hardwire asymmetry between downward and upward monotonic operators. As a result, logically equivalent sentences might have different implicatures. I argue that it reveals a lack of motivation for some operations in the system.

John ate an apple, a banana or an orange.
Predicted implicature: John ate exactly one of these fruits.

It's not true that John did not eat an apple, a banana or an orange.Predicted implicature</em>: If John ate an orange, he did not eat any apple or banana.
},
	author = {Emmanuel Chemla},
	date-added = {2008-10-23 20:19:23 +0100},
	date-modified = {2017-02-27 19:47:35 +0000},
	note = {Ms. LSCP.},
	title = {Local Implicatures and Double Negatives},
	url = {http://www.emmanuel.chemla.free.fr/Material/Localism-DoubleNegatives.pdf},
	year = {2006},
	Bdsk-Url-1 = {http://www.emmanuel.chemla.free.fr/Material/Localism-DoubleNegatives.pdf}}
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