TY - GEN AU - Alcantud, José Carlos R. PY - 2014 SN - 978-84-15688-76-1 UR - http://hdl.handle.net/10366/135626 AB - [EN]We show that the problem of evaluating infinite sequences (or streams) of utilities by a unique utility (or social welfare function) can be stated in terms of fuzzy subsets of the set of infinite utility sequences. For each stream, its evaluation... LA - eng KW - Computer science KW - Fuzzy set KW - Social welfare function KW - SOCIAL SCIENCES TI - Fuzzy sets from the ethics of social preferences: slides for ESTYLF 2014 ER -