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Demonstrates using generative testing to find counterexamples of a simple theorem from *Certified Programming with Dependent Types*
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This is a translation of the negb_inverse theorem from Certified Programming with Dependent Types into Swift.

Since Swift is not a proof assistant, the theorem is rendered as a generative test using SwiftCheck. For build-and-test convenience, a static snapshot of SwiftCheck is packaged with the project.

The test cases also demonstrate how generative testing quickly finds the error in a corrupted version of negb (Boolean negation) that always returns true.

This repository accompanies an exploration of this in light of a blog post.

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