ever since gregor johan mendel proposed the law of inheritance, genetics has transcended the field of health and has entered all walks of life in its application. thus, the gene is the pivoting factor for all happenings revolving around it. knowledge of gene mapping in various diseases would be a valuable tool in prenatally diagnosing the condition and averting the future disability and stigma ...

Qualitative simulation is a key inference process in qualitative causal reasoning. However, the precise meaning of the different proposals and their relation with differential equations is often unclear. In this paper, we present a precise definition of qualitative structure and behavior descriptions as abstractions of differential equations and continuously differentiable functions. We present...

Acknowledgements I wish to express my gratitude to my supervisors, Johan van Benthem and Sonja Smets. They have been excellent guides both through the technical intricacies and the philosophical subtleties that I encountered during my research. I would particularly like to thank Johan for badgering me to always keep in mind the big picture and to Sonja for her day-today supervision and careful ...