|Existence, philosophy, logic: the fact that there is something to which properties can be attributed. That does not mean that something has to be given immediately or can be perceived by the senses. See also ontology, properties, predicates, existence statements, realism, quantification, ascription.|
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Existence/intuitionism/Putnam: here existence is intra theoretically - Example Tarski: "electron refers" is equivalent to "There are electrons" - intuitionistic: there is a description D such that "D is an electron" in B1 is provable - that could be true in an appropriate theory, even if there are no electrons.
Von einem Realistischen Standpunkt Frankfurt 1993
Repräsentation und Realität Frankfurt 1999
Für eine Erneuerung der Philosophie Stuttgart 1997
Pragmatismus Eine offene Frage Frankfurt 1995
Vernunft, Wahrheit und Geschichte Frankfurt 1990