<?xml version="1.0" encoding="UTF-8"?><xml><records><record><source-app name="Biblio" version="6.x">Drupal-Biblio</source-app><ref-type>47</ref-type><contributors><authors><author><style face="normal" font="default" size="100%">M. Martins</style></author><author><style face="normal" font="default" size="100%">Alexandre Madeira</style></author><author><style face="normal" font="default" size="100%">Luis Soares Barbosa</style></author></authors></contributors><titles><title><style face="normal" font="default" size="100%">Reasoning about complex requirements in a uniform setting</style></title><secondary-title><style face="normal" font="default" size="100%">Third International Congress on Tools for Teaching Logic - TICTIL</style></secondary-title></titles><dates><year><style  face="normal" font="default" size="100%">2011</style></year><pub-dates><date><style  face="normal" font="default" size="100%">June</style></date></pub-dates></dates><urls><related-urls><url><style face="normal" font="default" size="100%">https://haslab.uminho.pt/sites/default/files/madeira/files/racrus.pdf</style></url></related-urls></urls><pub-location><style face="normal" font="default" size="100%">Salamanca, Spain</style></pub-location><abstract><style face="normal" font="default" size="100%">&lt;p&gt;The paper formulates HEQ, an institution for hybrid equational logic to provide a uniform setting to express and reasoning about diferent sorts of properties of complex software. It is also shown how, through the denition of a suitable comorphism to FOL, this can be integrated in Hets, providing suitable tool support for teaching and research. The whole exercise was motivated by the need to unify, in a single under-graduate course in a Computer Science curriculum, the specication of data and behavioural constraints of recongurable systems.&lt;/p&gt;
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