Lobsters37 min read
A tale of four theorem provers, or: A (reasonably) opinionated comparison of Isabelle/HOL, Lean, HOL4, and Agda
Arbitrary Rankings Ease of proof discovery (higher better) Ease of proof manipulation (higher better) Enjoyment (higher better) Annoyance factor (lower better) Puzzled factor (lower better)
By blueberrywren.dev by blueberrywrenLobsters
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Originally published by Lobsters on Oct 9, 2026.
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