DeepSeek Prover-V2 7B Formal Theorem Proving in Lean 4 - Install Locally



AI Summary

Overview of DeepSeek Prover v2

  • Introduction: DeepSeek has released an AI model specialized for generating formal mathematical proofs in Lean 4 language. This model constructs step-by-step machine-checked proofs for various math problems.
  • Model Structure: It breaks large theorems into smaller sub-problems and stitches them together using feedback to enhance performance over time.

Installation Guide

  1. Requirements: Installation on an Ubuntu system with an NVIDIA RTX 6000 GPU (48 GB VRAM).
  2. Virtual Environment: Create a virtual environment with Conda.
  3. Dependencies: Install necessary packages (e.g., PyTorch, Transformers).

Use Cases

  • Target Audience: Useful for mathematicians, educators, and researchers in mathematics, computer science, and AI.
  • Automation: Helps in automating the process of writing formal proofs, making mathematics more accessible.

Model Versions

  • Sizes: Available in two sizes - 7 billion parameters (local installation) and 671 billion parameters (recommended for hosted solutions).

Demonstrations

  1. Algebraic Proof: Solving an algebraic problem about the difference between percentages (120% of 30 and 130% of 20).
    • Detailed proof with a correct final answer.
  2. Geometric Problem: Verifying rectangle area calculations.
    • Efficient handling with low VRAM consumption.
  3. Complex Proof: Proving number theory results (difference of two odd primes).
    • Detailed reasoning with equations and a clear proof structure.

Conclusion

  • The DeepSeek Prover v2 represents a significant advancement in theorem proving with improved reasoning capabilities and efficiency. The performance of both model sizes is impressive, showcasing strong potential for mathematical problem-solving.