Real
see math notation
definition
a real number is a value of a continuous quantity that can represent a distance along a line --- Wikipedia
properties
RR < CC
the reals are a metric space› completion of the rationals with the real› absolute value metric space › metric. see p-adic
Real Absolute Value
the distance from a real to zero
see field › absolute value, p-adic› absolute value
notation (:^^.) x with RR x
definition (:^^.) x
note the real› absolute value follows the field › absolute value axioms