Logical goal-setting frameworks for leprosy projects

Logical aspects of logical frameworks

This thesis provides a model–theoretic semantic analysis of aspects of the LF logical framework. The LF logical framework is the λΠ-calculus together with the judgements-as-types representation mechanism. A denotational semantics is provided for the λΠ-calculus in terms of Kripke λΠ-models. These are a generalization of the Kripke lambda models of Mitchell and Moggi to dependent types and are b...

Logical Frameworks

Goal-Setting For Safety

Following the Piper Alpha disaster and the subsequent public enquiry, Lord Cullen recommended that the Health and Safety Executive shift its emphasis towards an 'auditing of systems' approach, rather than an 'inspection of sites' approach. Although primarily aimed at the offshore industry, the implications for all industries are that management will have to develop safety management systems tha...

Lambda-Free Logical Frameworks

We present the definition of the logical framework TF, the Type Framework. TF is a lambda-free logical framework; that is, it does not include lambda-abstraction or product kinds. We give formal proofs of several results in the metatheory of TF, and show how it can be conservatively embedded in the logical framework LF: its judgements can be seen as the judgements of LF that are in beta-normal,...

Implementing Substructural Logical Frameworks

A key component in proof assistant software is the meta-language used to encode the objects that are being reasoned about. Such a meta-language is called a logical framework. Several different logical frameworks exist; some only provide the most basic encoding of abstract syntax data, while others support powerful representation methodologies and concepts such as judgments-as-types and higher-o...