Why do we need the particle “not”: evolution of semantic structures and propositional attitudes
... mechanism that stabilizes key communicative meanings. Indirect contexts produced in the language or the operators “I know that...”, “I hope that...”, “I remember that...”, “I want that…”, “I imagine that...” protect sentences from negation and make it possible to reproduce universally significant meanings.
Barth, Fr., 1975.
Ritual and Knowledge Among the Baktaman of New Guinea
. New Haven: Yale University Press.
Bühler, K., 1934.
Sprachtheorie. Die Darstellungsfunktion ...