Sharvy's Lucy and Benjamin Puzzle

Sharvy's puzzle concerns a situation in which common knowledge of two parties is obtained by repeated observation each of the other, no fixed point being reached in finite time. Can a fixed point be reached?

• Type: Journal
• Year: 2008
• Where: SLOGICA
• Authors: Thomas Forster
• Keywords: Common Knowledge, Fixed Point, Puzzle, SLOGICA 2008