A semianalytic set 
is a set such that, for every 
, there is an open
neighborhood 
of 
such that 
is a finite Boolean combination of sets 
and 
, where 
are analytic.
Semianalytic Set
See also
Analytic Function, Pseudoanalytic Function, SubanalyticExplore with Wolfram|Alpha
References
Marker, D. "Model Theory and Exponentiation." Not. Amer. Math. Soc. 43, 753-759, 1996.Cite this as:
Weisstein, Eric W. "Semianalytic Set." From MathWorld--A Wolfram Resource. https://mathworld.wolfram.com/SemianalyticSet.html