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Product

SHEAF

A mathematics formal verification framework independently developed by a team at Peking University, used for rigorously formalizing and verifying mathematical proofs.

Timeline (last 90 days)

Oct 15

The team of Professor Dong Bin and Academician Liu Ruochuan of Peking University used the self-developed SHEAF framework to carry out formal verification of the proof of the three-dimensional Ghys conjecture, confirming its strict correctness and passing the Lean check.

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Oct 15

The SHEAF framework organizes the propositions, definitions, and dependency relations in the paper into a directed acyclic graph extending layer by layer from the target theorem to the base theorem library, and multiple agents divide the work and collaborate around this graph.

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