|Demonstratives: E.g. this, that, that one. Problems in language use bcause of lack of clarity when referring back to prior description. - In logic missing expressibility of uniqueness. See also anaphora, deixis, relations, logical proper names, index words, indexicality, iota operator.|
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Ambiguity/demonstratives/index-words/deflationism/Field: one can assume that we have "different drawers" for them. - That allows to say that our language itself is clear. - We ascribe various truth conditions on various occasions.
Realism, Mathematics and Modality Oxford New York 1989
Truth and the Absence of Fact Oxford New York 2001
Science without numbers Princeton New Jersey 1980