The Paradox of Inference and the Non-Triviality of Analytic Information

The classical theory of semantic information (ESI), as formulated by Bar-Hillel and Carnap in 1952, does not give a satisfactory account of the problem of what information, if any, analytically and/or logically true sentences have to offer. According to ESI, analytically true sentences lack informational content, and any two analytically equivalent sentences convey the same piece of information. This problem is connected with Cohen and Nagel’s paradox of inference: Since the conclusion of a valid argument is contained in the premises, it fails to provide any novel information. Again, ESI does not give a satisfactory account of the paradox. In this paper I propose a solution based on the distinction between empirical information and analytic information. Declarative sentences are informative due to their meanings. I construe meanings as structured hyperintensions, modelled in Transparent Intensional Logic as so-called constructions. These are abstract, algorithmically structured procedures whose constituents are sub-procedures. My main thesis is that constructions are the vehicles of information. Hence, although analytically true sentences provide no empirical information about the state of the world, they convey analytic information, in the shape of constructions prescribing how to arrive at the truths in question. Moreover, even though analytically equivalent sentences have equal empirical content, their analytic content may be different. Finally, though the empirical content of the conclusion of a valid argument is contained in the premises, its analytic content may be different from the analytic content of the premises and thus convey a new piece of information.     

Social perception of the Spanish law for young offenders

The implementation of the law 5/2000 for the regulation of Criminal Responsibility for Minors has led to a change in interventions in cases of juvenile offenders. This law promotes the educational and rehabilitative aims of the measures imposed. However, the focus of the media on the most serious cases has generated considerable alarm in society in general. The aim of this study is to determine the social perception of Law 5/2000. For this purpose, a sample of 936 people from the Autonomous Region of the Canary Islands was surveyed. The main results indicate that there is a significant lack of knowledge about the law and that people tend to think that the measures taken are not as effective as studies carried out in connection with this subject have shown. Nevertheless, the people surveyed are more in favour of educational measures than of measures that penalize. These results are discussed in connection with the importance that community factors have in dealing with juvenile delinquency, and in particular, in the power of social pressure to modify legislation, and of the community to assume responsibility for the reinsertion of juvenile offenders.