„– Paradoxically, the philosophical background of this interpretation of Tugendhat's is relatively close to the TLP: at the end of his book Tugendhat does refer to the TLP in connection with the problem of negation and the principle of bipolarity, but in doing so he fails to acknowledge the TLP as the origin of several of his theses: thus, for example, the principle of formalization as "reflection on the mode of use of a kind of linguistic expression" is laid down in TLP 3.341 f.; further, the programme of an ontology that is no longer object-oriented but mediated by formal semantics (theory of sense); then the concept of "illuminating tautologies" in accordance with the showing of tautologies (cf. e.g. TLP 6.12); likewise neglected is the significance of the TLP with regard to the complex of problems concerning singular terms, predicates, the compositeness of the proposition, etc., to which the TLP, through all (mis)interpretations, must nevertheless be regarded as a contribution of current relevance (cf."