Abstract
In this work we will review the semiotic conditions of a scientific model, to consider the operations that allow constituting the theoretical entities as an observable phenomenon. At this point we will defend a nominalist condition of science in the semiotic construction of scientific experience. Subsequently, the function of the index as a fundamental semiotic operator in the construction of science will be discussed. Faced with a nominalist position of scientific models, we will complement the review by contrasting a realist position that from Ch. S. Peirce defends the icon and the index as categories that allow modeling the existence of scientific objects and entities.
STOA is a biannual publication edited by the Institute of Philosophy of the Universidad Veracruzana, Tuxpan, No. 29, Frac. Veracruz, C.P. 91020, Xalapa, Ver., Tel. 8154285, http://www.uv.mx/filosofia. Responsible editor: Jesús Turiso Sebastián. Exclusive Use Rights Reservation No. 04-2008-121012511200-203, granted by the Copyright Reservation Directorate of the National Institute of Copyright of the Secretariat of Public Education, ISSN: 2007-1868. Responsible for the last modification of this issue: Jesús Turiso Sebastián, Tuxpan, No. 29, Frac. Veracruz, C.P. 91020, date of last modification August 5, 2011. Distribution and digital support by the Academic Software Development Department of the Universidad Veracruzana.
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