Paul Vallely - Untying the Knots" examined the allegations made against Pope Francis when he was Fr Jorge Mario Bergoglio, leader of the Jesuits in Argentina, during the "Dirty War" conducted by the Argentine military dictatorship in the 1970s and '80s. Vallely concluded that Bergoglio did not actively betray two Jesuit priests, Franz Jalics and Orlando Yorio, into the hands of a military death squad, as some critics had alleged. But he did conclude that with regard to the two priests "Bergoglio behaved recklessly and has been trying to atone for his behaviour ever since.". "Vallely produces evidence to show that Bergoglio,
Jorge Luis Borges and mathematics Jorge Luis Borges and mathematics Jorge Luis Borges and mathematics concerns several modern mathematical concepts found in certain essays and short stories of Argentinian author Jorge Luis Borges (1899-1986), including concepts such as set theory, recursion, chaos theory, and infinite sequences, although Borges' strongest links to mathematics are through Georg Cantor's theory of infinite sets, outlined in "The Doctrine of Cycles" ("La doctrina de los ciclos"). Some of Borges' most popular works such as "The Library of Babel" ("La Biblioteca de Babel"), "The Garden of Forking Paths" ("El Jardín de Senderos que se Bifurcan"), "The Aleph" ("El Aleph"), an allusion