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Additional
ultrapower
English Wikipedia - The Free Encyclopedia
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Ultraproduct
The
ultraproduct
is a
mathematical
construction that appears mainly in
abstract algebra
and in
model theory
, a branch of
mathematical logic
. An ultraproduct is a
quotient
of the
direct product
of a family of
structures
. All factors need to have the same
signature
. The
ultrapower
is the special case of this construction in which all factors are equal.
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