Cauchy Real Numbers
Earlier we defined a construction of a real number structure from an arbitrary archimedian ordered field. Plugging in
Q
we get the model of the real numbers as Cauchy sequences of rationals.
Definition
Cauchy_IR
:
CReals
:=
R_as_CReals
_
Q_is_archemaedian
.
The term
Cauchy_IR
is of type
CReals
.