2 papers
math.HO2014
Fermat, Leibniz, Euler, and the gang: The true history of the concepts of limit and shadow
Tiziana Bascelli, Emanuele Bottazzi, Frederik Herzberg +6
Fermat, Leibniz, Euler, and Cauchy all used one or another form of approximate equality, or the idea of discarding "negligible" terms, so as to obtain a correct analytic answer. Th…
math.LO2010
On automorphisms behind the Gitik -- Koepke model for violation of the Singular Cardinals Hypothesis w/o large cardinals
Vladimir Kanovei
It is known that the assumption that ``GCH first fails at \aleph_ω'' leads to large cardinals in ZFC. Gitik and Koepke have demonstrated that this is not so in ZF: namely there is…