feat: add initial definitions for complexity classes#192
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A few people seem to be commenting on/reviewing this PR, so be aware: I think some of these sorries are going to involve further development of TM2ComputableInPolyTime, so I don't expect to finish them soon, and I don't plan to move this PR out of draft mode until that's done. |
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Archived: leanprover#236 (completed), leanprover#244 (abandoned), leanprover#253 (completed), leanprover#254 (completed) Orphan tracked: leanprover#192 (archive/state.json entry added) Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
…tape Add simp lemmas describing how `mapSome` and `cons` interact with `head`/`tail` and the empty tape, used for reasoning about a left-to-right tape scan: `mapSome_head`, `mapSome_tail`, `cons_some_mapSome`, `cons_head?_mapSome`, `cons_none_empty`, `mapSome_nil`, `empty_head`, `empty_tail`. Co-Authored-By: Claude Fable 5 <noreply@anthropic.com>
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This is a draft PR for adding some complexity class definitions to CSLib.
This includes