Parametrized Problems in Lean 4
A collection of formal mathematics challenges. Select a problem, prove your bounds, and submit your solution. All proofs must compile without errors and without sorry.
Open Problems
Click a problem to view its statement and details.
Rules
Your Lean 4 code must compile without errors and without any sorry tactics. Every definition must be complete. Every theorem must have a full proof. You may use any existing Mathlib4 definitions and theorems.
Contributions of all kinds are welcome:
- Human-written proofs
- AI-generated proofs
- Mixed human-AI collaborations
-- This is what we want to see:
theorem parametrized_bound (G : SimpleGraph V) : parameter G ≤ bound := by
-- Your complete proof here
sorry -- NOT ALLOWED
Leaderboard
| Rank | Participant | Problem | Result | Lines | Date |
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Submit Your Solution
Open the submission form to provide your proof details. Name and surname are requested; surname is optional.