Irreducibly Complex systems are those systems (man-made or otherwise), where removal of critical core parts results in malfunction. By way of contrast, fault tolerant systems allow removal of parts or entire sub-systems, yet intended function is still retained. Removable parts or subsystems in fault tolerant architectures are also contrasted with useless parts which serve no purpose. Like spare tires, removable parts in a fault tolerant systems can still serve a purpose even if never used. From Wiki on Fault Tolerant Intelligent Design: In engineering, fault-tolerant design is a design that enables a system to continue its intended operation, possibly at a reduced level, rather than failing completely, when some part of the system fails. A fault tolerant system can be … Continue reading Fault Tolerance a greater foe to Darwinism than Irreducible Complexity