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Isabelle
isabelle · v2025-2
3
8.0
Generic proof assistant
brew install --cask isabelle 24
30-day installs
68
90-day installs
251
365-day installs
Install trend
Trust Score 3/10
✗ Open source (NOASSERTION) +0
✗ Active development +0
✓ Licensed +1
✗ No auto-updates +0
✓ Not deprecated +1
✓ Established (>1yr) +1
✗ Low installs +0
Review
Mar 11, 2026Isabelle is a powerful proof assistant for formal verification, widely used in academia and research. It excels in verifying mathematical proofs and system specifications, benefiting mathematicians, computer scientists, and researchers.
Isabelle is a tool for formal verification, enabling the creation and checking of mathematical proofs and system specifications.
Maturity: The project appears mature with active development and a steady community following.
Community: Hacker News shows consistent interest over several years, highlighting Isabelle's versatility and impact in formal verification.
Pros
- + Robust tool for formal methods and proof construction
- + Integration with other formal tools like TLA+
- + Active community and academic support
Cons
- - No auto-update feature
- - Unclear license details
Community Mentions
hackernews
Dec 2023 TLA+ in Isabelle/HOL
hackernews
hackernews
Feb 2021 Concrete Semantics with Isabelle/HOL
hackernews
hackernews
Positive sentiment Negative sentiment Neutral / unknown