First, he develops an account of intuitive cognition that raises the possibility of sensory illusion; second, he discusses particular cases of sensory illusion in some detail in his Scriptum (prologue, q. 2 and d. 3, q. 14).
Why should location, among all possible features of sounds, be protected against the possibility of systematic illusion?
The play ends with Pegeen alone and abandoned, left to face a life without even the possibility of romantic illusion.
The possibility of such illusions suggests that their opposite our agreed-on coherent sense of a continuous self may be a convenient fiction, an organized cognitive heuristic that we impose on experience to let us go on having it.
But even direct perception is not always warranted, given the possibility of perceptual illusions.
A solo voyage through fantasy and dream done with courageous (sometimes jaw-dropping) sleight of hand, it was a compelling journey around the possibilities of theatrical illusion.
Mary Zimmerman's wanly Neo-Classical production doesn't help locate the depths of an opera about intense emotions and the possibilities and limits of illusion.
But the core themes remained constant: the clash of East and West — seen through the lens of this irresistibly dramatic love narrative — and the possibilities and limits of illusion.
He begins by declaring his desire to reach certain knowledge, which he explains as "that in which what is known is laid bare in such a way as to leave no room for doubt, and is unaccompanied by the possibility of error or illusion, to the point that the mind cannot even conceive it".
Jeff Kessler, the union's attorney, said the league's proposal was really 50.2% and called the possibility of reaching 51% an "illusion".
