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In computability theory, a Specker sequence is a computable, monotonically increasing, bounded sequence of rational numbers whose supremum is not a computable real number. The first example of such a sequence was constructed by Ernst Specker.
Construction 1, Construction 2 & Overview
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computable sequence displaystyle specker least upper bound principle number numbers real sequences supremum enumeration xm construction see bounded would terms
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| Specker sequence | is a | computable | 0.90 | text |
| Specker sequence | related to Construction 1 | One | 0.60 | section |
| Specker sequence | related to Construction 1 | Specker | 0.60 | section |
| Specker sequence | related to Construction 1 | Define | 0.60 | section |
| Specker sequence | related to Construction 1 | It | 0.60 | section |
| Specker sequence | related to Construction 1 | Moreover | 0.60 | section |
| Specker sequence | related to Construction 2 | Another | 0.60 | section |
| Specker sequence | related to Construction 2 | Specker | 0.60 | section |
| Specker sequence | related to Construction 2 | Turing | 0.60 | section |
| Specker sequence | related to Construction 2 | Let | 0.60 | section |
| Specker sequence | related to Construction 2 | Then | 0.60 | section |
| Specker sequence | related to Construction 2 | If | 0.60 | section |
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