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Terminfo parameter expansion can simulate two-counter Minsky machines

seriot.ch 6 min read Editor score 7/10

The article makes terminfo’s computational universality explicit with a reduction from two-counter Minsky machines, building on its stack, arithmetic, branching and persistent-variable features. It is a technically interesting example of computation hiding in a specialized language.

What

Terminfo parameter expansion can simulate two-counter Minsky machines, making the case that the language is Turing-complete.

How

Its stack operations, arithmetic, conditionals, and persistent registers implement machine instructions; repeated capability expansion supplies the clock.

Why it matters

Engineers should account for the computational power hidden in configuration and terminal capability mechanisms, not just conventional programming languages.

Read on seriot.ch → Hacker News · 11 comments

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