Isabelle/HOL with HOL-Z and ZETA

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I have seen some papers that describe how to use the Z notation with Isabelle/HOL using the tools HOL-Z and ZETA. I was not able to find these tools, have they ever been published? Are there other ways to use Isabelle with the Z notation?

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Phil Clayton On

If you are prepared to substitute Isabelle/HOL for one of the HOL theorem provers (which also adopt the LCF approach to soundness) then you should consider ProofPower, which also embeds the Z notation in HOL. ProofPower-Z has been used on large industrial examples for many years, in particular to discharge verification conditions to show the correctness of Ada source code.