SALE 1550 Lot 47 Prev Next Go To: Go

POST, Emil Leon (1897-1954). 'Formal Reductions of the General Combinatorial Decision Problem.' Offprint from: American Journal of Mathematics, Vol. LXV, No. 2, April 1943. 8° (242 x 162mm). 20pp., 197-215, [1, blank]. Original buff wrappers, stapled (tiny spot to upper wrapper and first leaf, staples rusted, faint soiling). Provenance: ALAN TURING (two manuscript corrections to pp.204-205 possibly in Turing's hand; bequeathed to:) -- R.O. Gandy (no sign of provenance).

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