We identify two features of common process algebra operations their rst order avour and the fact that they respect bisimulation in a uniform manner For this purpose two notions are introduced rst a notion of rst order de nable operations on process graphs and second respect for sequence extension In the rst part of the paper those rst order de nable operations are characterised whose de ning fo...

The notion that “human beings”, mainstream humanity, is best conceived as “in the image and likeness of God” has an effect even on secular philosophers, scientists farmers, despite our understanding humanity only one twig within a larger evolutionary bush. Even if it taken seriously, does not license most current exploitation. Nor merely “contractual” theory rights duties support denial proper ...