mobi, epub |eng | 2010-08-03 | Author:Garth Sundem

• Most healthy participants take between forty and fifty flips to recognize good and bad decks and then stick to the good ones. But galvanic skin tests, like those of ...

epub, mobi |eng | 2012-05-15 | Author:Raymond M. Smullyan [Smullyan, Raymond]

5 • The Bird W’ “Show that from B, T, and M you can derive a bird W’ satisfying the following condition: W’xy = yxx “We might call W’ a ...