1. Epistemic conditions for Nash equilibrium;Aumann;Econometrica,1995
2. M. Bacharach, Games with concept-sensitive strategy spaces, Mimeo, 1991.
3. Variable universe games;Bacharach,1993
4. The evolution of focal points;Binmore;Games Econ. Behav.,2006
5. On the structure of abstract algebras;Birkhoff;Proc. Camb. Philos. Soc.,1935