Yasugi, Mariko; Oda, Sobei H. - In: Economic Theory 19 (2002) 1, pp. 145-156
This article analyzes the two wise girls puzzle, which is a simpler variant of the so-called three wise men puzzle, with some proof-theoretic tools. We formulate the puzzle in an epistemic logic. Our chief assumption is that the reasoning ability of each player of the puzzle is equivalent to...