Problemresearch
Post's problem
Also called intermediate degree problem.
Whether there exist r.e. sets strictly between decidable and halting problem degrees; solved by Friedberg and Muchnik.
Whether there exist r.e. sets strictly between decidable and halting problem degrees; solved by Friedberg and Muchnik.
About this page
The build computes these levels from the evidence in the repository. Each row says what the next level needs. Read what the levels mean.
| Ladder | Level | What the next level needs |
|---|---|---|
| Human proof | H0 no proof |
|
| Lean | L0 no Lean part |
|
| Visual | V0 none |
|
| Writing | W0 stub |
|
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