1.14 (1965)
Solved(B. H. Neumann). Does there exist an infinite simple finitely presented group?
Progress
Yes, such groups do exist (G. Higman, Finitely presented infinite simple groups (Notes on Pure Mathematics, no. 8) Dept. of Math., Inst. Adv. Studies Austral. National Univ., Canberra, 1974), where there is also a reference to R. Thompson.
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