Key points are not available for this paper at this time.
A Comment on the Letter by Yokir Aharonov, David Z. Albert, and Lev Vaidman, Phys. Rev. Lett. 60, 1351 (1988).Received 6 May 1988DOI:https://doi.org/10.1103/PhysRevLett.62.2325©1989 American Physical Society
A. J. Leggett (Mon,) studied this question.