Sacks, G. E. The recursively enumerable degrees are dense. (English) Zbl 0135.00702 Ann. Math. (2) 80, 300-312 (1964). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 3 ReviewsCited in 83 Documents Keywords:mathematical logic × Cite Format Result Cite Review PDF Full Text: DOI