The story of a non-discovery

Helmholtz and the conservation of energy

Javier Ordóñez

1-18

Empirical methods in mathematics

Javier Echeverría

19-55

Philosophy and cosmology

Jesús Mosterín

57-88

The incompleteness of technics

Miguel A. Quintanilla

89-102

Bayesian induction and statistical inference

Andrès Rivadulla

103-121

The nature of science and the problem of demarcation

Francisco J. Ayala

123-142

Biological and moral altruism

Camilo J. Cela Conde

143-151

The ultimate epistemological consequences of the Darwinian conception

Carlos Castrodeza

153-178

The present concept of the gene

Antonio Fontdevila

179-199

The philosophy of technology assessment

Manuel Medina

201-226

The biologization of our culture

227-242

Four instrumental proposals

Juan C. García-Bermejo Ochoa

243-257

Prototype-based judgements and skepticism about rationality in naturalized epistemology

Fernando Broncano

259-273

The role of methodology in models of scientific change

Anna Estany

275-297

Prediction and mathematics

the Wittgensteinian approach

Wenceslao J. Gonzalez

299-332

Scientific progress

Juan Vazquez

333-343