1. semantics, heasley and hurford Deixis, prototype and extension Objective :Objective : –Students are able to explain the notion of deixis, prototype and extension TopicsTopics –Deixis –Prototype –Extension

2. semantics, heasley and hurford 8. DEIXIS, EXTENSION, PROTOTYPE Deictic Words : words whose meanings depends on the situation of the utteranceDeictic Words : words whose meanings depends on the situation of the utterance Deictic Words :Deictic Words : –Spatial : here, there –Temporal : now, yesterday –Personal : he,she See Main reading 2See Main reading 2

3. semantics, heasley and hurford 8. DEIXIS, EXTENSION, PROTOTYPE EXTENSIONEXTENSION The extension of a predicate is the set of the predicate in the real world or imaginary.The extension of a predicate is the set of the predicate in the real world or imaginary. The extension of ‘cat’ the set of cats in the real world or imaginaryThe extension of ‘cat’ the set of cats in the real world or imaginary PROTOTYPEPROTOTYPE The prototype of a predicate is the most typical/representative object of the kinds.The prototype of a predicate is the most typical/representative object of the kinds.

4. semantics, heasley and hurford 8. Conclusion Deictic words :Deictic words : –The meaning depends on the situation Prototype :Prototype : –The most typical object in our mind Extension :Extension : –The set of a predicate in the universe of discourse