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Knowing-who/seeing/visual perception/perspective identification/Hintikka:
Definition Seeing/Hintikka: Seeing an Object: People and bodies who occupy the same gap in John's perception field can be identified by him. He also knows that different objects can be at different times in the same place.
N.B.: John does not have to know who this person is!
Knowing-who/Seeing-who/Hintikka: we also need an identification based on public (object-centered) criteria.
Public/Perspective/Language/Logical Form/Hintikka: the difference between perspective and public identification is also expressed linguistically:
E.g. public: an identification is successful if it is true that
(1) John sees who b is.
(2) John remembers who b is.
(3) John knows who b is.
On the other hand:
(4) John sees b
(5) John remembers b
(6) John knows b.
Hintikka/(s): the perspective can be a mere regarding, letting the eyes rest on something without knowing who or what that is.
Cross-world identification/Rigidity/HintikkaVsKripke: It is more about the way of identification (public/perspective) than about rigidity or non-rigidity.
The way of identification decides about what counts as one and the same individual.
Definition identification/visual perception/perspective/private/Hintikka: to identify b in the perspective sense means, to find a gap for b among the visual objects. That is, to locate b visually.
Logical form: visual identification corresponds to answering a question of where. ((s) Localization in the facial room).
Perspective/Hintikka/(s): perspective does not correspond strictly, but as a contrast to the public, the private point of view.
Definition identification/visual perception/public/t/Hintikka: identification is the ability to locate b on the map of abstract more-than-personal knowledge.
That is, the ability to interpret what you see. That is,
Logical form: visual identification, public: to answer a what-question or a who-question.
Interpretation/seeing/perception/Hintikka: the interpretation here is to attribute a meaning to our senses.
Analog: analog means to interpret abstract characters as letters (seeing-as).
((s) Stronger/weaker: to look at a printed page, find that it is printed/stronger: read).
Public/Identification/Hintikka: it is dangerous to interpret our methods of public identification in this way.
Perspective/private/Hintikka: the perspective identification provides an independent conceptual system.
Symmetry/asymmetry/identification/logical form/everyday language/identification/perspective/public/Hintikka:
Symmetry: in logic (logical form) there is a symmetry between the expressions for public or perspective identification.
Asymmetry/everyday language: in the normal language, this symmetry does not exist.
Reason: for public identification, we have hidden quantifiers,
Perspective: here we need a direct object construction.
Jaakko and Merrill B. Hintikka
The Logic of Epistemology and the Epistemology of Logic Dordrecht 1989
J. Hintikka/M. B. Hintikka
Untersuchungen zu Wittgenstein Frankfurt 1996