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Research proof index

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1 topic
Project-declaredLean 4.31.0

Type Of preserves valid refs

Cedar.Thm.typeOf_preserves_valid_refs

Plain-language statement

typeOf preserves Entities.ValidRefsFor. The converse is not true, due to policies with invalid UID literals, such as // entity User enum ["alice"]; permit(principal, action, resource) when { if true then User::"alice" else User::"bob" };

authorizationprogram verificationsemantics

Source project: Cedar Specification

Person-level attribution pending.

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