We present ProB, a validation toolset for the B method. ProB's automated animation facilities allow users to gain confidence in their specifications. ProB also contains a mode...
This paper discusses the notion of necessity in the light of results from contemporary mathematical practice. Two descriptions of necessity are considered. According to the first, ...
Abstract We argue that in the decision making process required for selecting assertible vague descriptions of an object, it is practical that communicating agents adopt an epistemi...
Abstract Stephen Read has presented an argument for the inconsistency of the concept of validity. We extend Read's results and show that this inconsistency is but one half of ...
Wave digital filters (WDFs) were originally developed for robust discrete-time simulation of analog filters, but recently they have been applied successfully to modeling of physica...