When I wrote

* https://github.com/metamath/metamath-exe/blob/master/tests/disjoint1.expected

* https://github.com/metamath/metamath-exe/blob/master/tests/disjoint2.expected

* https://github.com/metamath/metamath-exe/blob/master/tests/disjoint3.expected

I thought there would be a lot more cases, but I wasn't sure what else to add.

Perhaps if you are working on a verifier you can find some cases I missed there.

On 3/10/23 14:16, Mario Carneiro wrote:
The only source I am aware of is https://github.com/david-a-wheeler/metamath-test and the metamath-exe test suite (https://github.com/metamath/metamath-exe/tree/master/tests). Collecting failing tests and serving as a unit test for new verifiers is part of the stated purpose of the former repository, so perhaps that answers your question.

On Fri, Mar 10, 2023 at 5:00 PM Samuel Goto <[email protected]> wrote:

    Hey all,

        I'm wondering: is there any chance anyone has built a list of
    proofs that are expected to fail to check verifiers?

        Context: as I'm trying to verify some of the disjoint variable
    restrictions, I'm finding that I'm missing a lot of corner cases I
    missed from the book/specification, and when I do, verifications
    succeeds rather than fails, and I have to manually catch those
    bugs. So, if I'm thinking that if had a list of proofs that have
    known bugs (for the $d statement specifically, but more generally
    too) that a valid verifier would successfully catch, I'd feel more
    comfortable knowing that I've captured known ways a proof is invalid.

        Anyone?

        Sam
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