Mentalist (Psychological) View I.A. Baudouin de Courtenay, L.V. Shcherba, E.D. Sapir, A. Sommerfelt,
Phoneme – an ideal mental imageExist in mind but not in realitySpeech sounds (allophones) are an imperfect and varying realization of a phoneme
De Saussure’s Theory
A phoneme is defined by its features which differ its