Abstract
Various manifestations of the time-as-a-proxy phenomenon in specification of computing problems are considered. It is argued that unless the time-related considerations constitute an essential part of natural (physical) problems, safer specifications are obtained from avoiding short-cuts offered by introduction of time-related notions. This methodological principle is illustrated by examples from several fields: digital control and simulation, design of operator's interface and communication protocols.
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Dedicated to Peter Naur on the occasion of his 60th birthday