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|I, Ego, Self||Peacocke I 137f
I / Situation semantics / Barwise / Perry: rule for use might be feasible: ""E "will always refer to the speaker" - Peacocke: that determined fully the meaning, however: it requires more than just understanding of the language in which it happens - the speaker must always know that he himself, for example, is Smith, or fulfills any other description - therefore a rule is not sufficient - I / Reference Rule / Peacocke: needs additional intension: manner of presentation of the first person.
Situations and Attitudes Chicago 1999
Chr. R. Peacocke
Sense and Content Oxford 1983