|Statement: once a statement is made the utterer is committed to it. In contrast to this, a sentence can be thought of as a string of symbols that is no statement.|
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Hungerland: Thesis: explanatory model: if a claim is normal, everything is implied what one can conclude.
This depends on three different things:
1.context of claiming
2.Presuppositions about what is considered normal
3.Rules for the proper use of expressions.
H. Paul Grice
Handlung, Kommunikation, Bedeutung, Hg. Georg Meggle Frankfurt/M. 1993