No CrossRef data available.
Published online by Cambridge University Press: 12 March 2014
Let be a
relational system whereby D is a nonempty set and
P1 is an
m1-ary relation on D. With
we associate the (weak) monadic second-order theory
consisting of the first-order predicate calculus
with individual variables ranging over D; monadic predicate
variables ranging over (finite) subsets of D; monadic
predicate quantifiers; and constants corresponding to P1,
P2, …. We will often use
ambiguously to mean also the set of true sentences
of
.
This research was supported by the National Science Foundation (Contract 4730-50-395).