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Diff — Register machine

Revision #3553 → #4078 · back to history

modifiedSub-classes of register machines611f917345a5
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anchor.section(Lead)Overview
modifiedPost–Turing machinee06954ff0d23
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mathlib.declTuring.TM0.Machine
mathlib.match_kindloose
mathlib.moduleMathlib.Computability.TuringMachine.PostTuringMachine
noteThe 2-symbol Post–Turing machine has no formalization in Mathlib.Mathlib's Turing.TM0 model in Mathlib.Computability.TuringMachine.PostTuringMachine is a Post–Turing-style 2-symbol tape machine, though not labelled 'Post–Turing machine' verbatim.
provenanceaiai-moderated
statusnot_formalizedpartial
addedInstruction set3203fd434912
addedMinimal systems (Kaphengst, Ershov, Péter) are indistinguishable7d44e38ed811