Lean 4
product→ stable
Lean 4 is an open-source theorem prover and programming language, developed by Leonardo de Moura at Microsoft Research, designed for writing and verifying formal mathematical proofs with deterministic correctness.
2Total Mentions
+0.25Sentiment (Neutral)
+1.2%Velocity (7d)
First seen: Mar 23, 2026Last active: Just now
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Negative sentiment
Range: -1 to +1
| Week | Avg Sentiment | Mentions |
|---|---|---|
| 2026-W27 | 0.20 | 1 |