Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)2022-06-072022-06-07https://noesis.uis.edu.co/handle/20.500.14071/10724application/pdfDerechos de autor 2015 Bertrand Russellinfo:eu-repo/semantics/openAccessinfo:eu-repo/semantics/articlehttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessAtribución-NoComercial-SinDerivadas 4.0 Internacional (CC BY-NC-ND 4.0)