Probability of expansions
Leo Marcus
leomarcus2 at gmail.com
Thu Jul 23 20:24:15 EDT 2020
Is this known?
Given a first-order theory T in language L and a first-order theory T'
containing T in language L' containing L, what is the probability a finite
model of T has an expansion to a model of T'? I.e., what is the ratio
between those finite models of T that do and those that don't? How about
for those models of a fixed cardinality? When does the limit as the
cardinality tends to infinity exist?
Is there any restriction on what Prob (Exp(T, T')) can be as T and T' vary?
Any references would be appreciated.
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