Talk:Kripke–Platek set theory with urelements
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In what way does it differ from just ZF without the axiom of infinity ? --195.93.102.71 22:41, 26 Apr 2005 (UTC)Mike (Michel Josserand)
It lacks for instance axioms for power sets, an infinite set, or choice. Bgohla 22:48, 2005 May 3 (UTC)