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Definition of Presburger Arithmetic
Minimalistic Language of Presburger Arithmetic
where
and
is addition of natural numbers. We consider of all interpretations with domain
where
is interpreted as addition of natural numbers (these interpretations differ only in values for free variables, not in truth value for sentences).
This language is a good motivation, illustrates the simplicity, but is very far from allowing QE. For example, it does not have a name for zero, so we cannot express .
We instead look at where
is the set of integers.