WikiLean
Articles
·
Brain
·
Recent changes
·
Proposals
·
Flags
·
Stats
·
About
🌓
Diff —
Arithmetical hierarchy
Revision #3224 → #3777 ·
back to history
added
Halting problem for a Σn oracle sits in Σn+1
e9a7e4b953ef
added
n-th Turing jump of ∅ is Turing complete in Δn+1
574c354807ba