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What is Metis?

Metis is an automatic theorem prover for first order logic with equality.

Features of Metis

Project Status

Metis is being actively maintained: the latest version is Metis 2.3 (release 20160102). Users are encouraged to try out or adapt Metis for their own applications. Metis is free software, released under the MIT License.


To report bugs, request features, or obtain help using Metis, please email

Metis (the moon of Jupiter)