Table of contents : Time, chaos and the laws of nature....Pages 3-9 Natural laws and human prediction....Pages 10-33 Comment on Boris Chirikov's paper “Natural laws and human prediction”....Pages 34-35 Natural laws and the physics of complex systems comments on the report by B. Chirikov....Pages 36-39 Discussion of Boris Chrikov's paper....Pages 40-46 Under what transformations are laws invariant?....Pages 47-88 Contingency and fundamental laws comment on Paul Weingartner “Under what transformations are laws invariant?”....Pages 89-92 Discussion of Paul Weingartner's paper....Pages 93-99 The status of determinism in an uncontrollable world....Pages 103-114 Discussion of David Miller's paper....Pages 115-122 Kinds of unpredictability in deterministic systems....Pages 123-141 Discussion of Gerhard Schurz' paper....Pages 142-151 Decoherence, determinism and chaos revisited....Pages 152-175 Discussion of H. Pierre Noyes' paper....Pages 176-188 Photons, billiards and chaos....Pages 189-201 Discussion of Pat Suppes' paper....Pages 202-207 Chaos: Algorithmic complexity vs. Dynamical instability....Pages 211-235 Discussion of Robert Batterman's paper....Pages 236-242 On the foundations of synergetics....Pages 243-279 Discussion of Arne Wunderlin's paper....Pages 280-283