00366nam a2200157   450000100060000000300030000600500170000900800410002603500190006703500180008605000190010410000260012324500290014925000120017826000180019013867UR20220428112140.0061102|||||||||||||||||||||||||||||||| d  a(janium) 13856  a(janium)13856 4aBC75b.G9 19891 aGutierrez Saenz, Raul10aIntroduccion a la logica  a24a ed.  bEsfingec1989