src/HOL/Algebra/Algebraic_Closure.thy
Mon, 29 Apr 2019 17:11:26 +0100 paulson moving around some material from Algebraic_Closure
Mon, 29 Apr 2019 16:50:20 +0100 paulson full proof of algebraic closure, by Paulo de Vilhena
Sat, 13 Apr 2019 19:23:47 +0100 paulson Towards a proof of algebraic closure (NB not finished)
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