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This is the [IRG] – the interdisciplinary group dedicated to the investigation of iconic processes in art, science, philosophy and literature.

• The morphological space of semiotic processes in which cognitive systems are embedded includes proto-symbols and variations of indexical signs, besides symbolic and iconic processes
• Icons are signs that stand for their objects through similarity or resemblance, irrespective of any spatio-temporal physical correlation that a Sign may have with an existent Object.
• When an operational criterion is adopted, the icon is defined as anything whose manipulation can reveal more information about its object. All formalizations, such as algebra, syntax, and graphs, can thus be recognized as icons.