Dependently typed spreadsheet prototype surfaces in debate on proving Excel correctness with Lean
rickasaurus · x · 2026-10-20
In a brief exchange, @rickasaurus said he wants to "prove things about an Excel we're generating," while @seanparsons revealed he has a dependently typed spreadsheet prototype on a burner. The thread hints at using proof assistants like Lean to formally verify generated spreadsheets.
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