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Additional
model theory
English Wikipedia - The Free Encyclopedia
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Model theory
In
mathematics
,
model theory
is the study of classes of mathematical
structures
(e.g.
groups
,
fields
,
graphs
, universes of
set theory
) from the perspective of
mathematical logic
. The objects of study are models of theories in a
formal language
. We call a set of sentences in a
formal language
a
theory
; a
model
of a theory is a structure (e.g. an
interpretation
) that satisfies the sentences of that theory.
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