Expansions of the real line by open sets: o-minimality and open cores

1 downloads 0 Views 236KB Size Report
An expansion H of the real line (R,
FUNDAMENTA MATHEMATICAE 162 (1999)

Expansions of the real line by open sets: o-minimality and open cores by

Chris M i l l e r (Toronto, ON and Columbus, OH) and Patrick S p e i s s e g g e r (Toronto, ON and Madison, WI)

Abstract. The open core of a structure R := (R, 0, and λ(t) := 0 otherwise. Put R := (R,