Thursday , October 29 2020

Metamath Zero: The Cartesian Theorem Prover, Hacker News



                                   (Submitted on Oct 2019)


Abstract:As the usage of theorem prover technology expands, so too does the reliance on correctness of the tools. Metamath Zero is a verification system that aims for simplicity of logic and implementation, without compromising on efficiency of verification. It is formally specified in its own language, and supports a number of translations to and from other proof languages. This paper describes the abstract logic of Metamath Zero, essentially a multi-sorted first order logic, as well as the binary proof format and the way in which it can ensure essentially linear time verification while still being concise and efficient at scale. Metamath Zero currently holds the record for fastest verification of the $ mathtt {this http URL} $ Metamath library of proofs in ZFC (including 71 of Wiedijk’s 100 formalization targets), at less than 200 ms. Ultimately, we intend to use it to verify the correctness of the implementation of the verifier down to binary executable, so it can be used as a root of trust for more complex proof systems.



Submission history

From: Mario Carneiro [view email]       
[v1]Tue, 22 Oct 2019 14: 40: (UTC) (KB)

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