Do you agree or disagree? Gracias por darme tu opinion en estes oraciones: The posed a dilemma: on the one hand, the staunch empiricist had to reject unobservable entities as a matter of principle; on the other, theories that appealed to unobservable entities were clearly producing revolutionary results. Thus philosophers of science sought some way to characterize the obvious value of these theories without abandoning the empiricist principles deemed central to scientific rationality.

Cual pais es el mejor pais en el entero mundo? Que piensas?

Cual vino primero: la gallena o el huevo?