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Project-declaredLean 4.31.0

Verify Never Errors is ok and sound

Cedar.Thm.verifyNeverErrors_is_ok_and_sound

Project documentation

Concrete version of verifyNeverErrors_is_sound. NOTE: This theorem and many of the following soundness theorems use env.StronglyWellFormedForPolicy p' in the conclusion rather than env.StronglyWellFormedForPolicy p. One can obtain a weaker version with env.StronglyWellFormedForPolicy p, using the lemma `wellTypedPolicy_preserves_StronglyWellFormed...

authorizationprogram verificationsemantics

Source project: Cedar Specification

Person-level attribution pending.

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