Observational vertices. The American philosopher John R. Searle toppled the functionalist perspective and stressed that there is a link between the issues intrinsically semantic language and intentionality of speech acts ( The rediscovery of the mind , in  ; trans. it.  ). He argues that physical states and mental states are exactly the same and that the difference between the two states is only epistemic and due to different levels of description. It thus refers to the systems and neural synapses in a biological context geniux

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