Floating man experiential field shows that the self is not consequently a substance and thereby there is no subjectivity. On the other hand some scholars like Wisnovsky believe that the flying man argument proved the substantiality of the soul. Ibn Sina believes that innate awareness is completely independent of sensory experience. Before the French philosopher Descartes (1596–1650) pointed out the existence of the conscious self as a turning point in epistemology, using the phrase "Cogito ergo sum," the 11th century Iranian philosopher Avicenna had referred to the existence of consciousness in the flying man argument. Thus, long before Descartes, Avicenna had established
Cogito and the History of Madness Cogito and the History of Madness "Cogito and the History of Madness" is a paper by Jacques Derrida that critically responds to Michel Foucault's book the "History of Madness". In this paper, Derrida questions the intentions and feasibility of Foucault's book, particularly in relation to the historical importance attributed by Foucault to the treatment of madness by Descartes in the "Meditations on First Philosophy". Derrida's paper began a high-profile exchange between Derrida and Foucault as well as a considerable amount of attention from scholars. Foucault responded directly to Derrida in an appendix added to the 1972 edition of the "History