Emergent properties are properties exhibited by a complete (hooked-up) system
that cannot be exhibited by the parts of the system
in isolation (Kline 1995: 316). They depend on interactions between
components (including the environment). Consider a bicycle composed of a
frame, two wheels, pedals, a drive chain, saddle, handlebars, brakes
etc. The primary emergent property of dynamic balance is only
produced by the combination of the rider and the bicycle.
Only when human power, control and intelligence (and a road
surface) are added does the bicycle become a means of
transport. Take any one away and the system falls apart.
Emergent properties therefore cannot be predicted solely by looking at
the components. See Flood (1999), Kline (1995), Senge (1990); and
Stevens, Brook, Jackson and Arnold (1998).