2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/69720We prove, by a straight construction, that the automorphism group of the measure algebra and the subgroup of the measure preserving ones cannot be isomorphic to the trivial automorphisms of P(N)/fin.9 pagesLogic06E99Comparing the automorphism group of the measure algebra with some groups related to the infinite permutation group of the natural numberstext