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fix: make lia and Nat offset simproc proofs cheap to check in the kernel - #16319
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… kernel This PR changes the proofs produced by `lia`, `grind`, and the `Nat` offset simprocs so that the kernel no longer has to evaluate their arithmetic atoms. Before, for goals containing terms such as `(x + 4294967295) % 4294967296`, the kernel ran in unary `Nat` arithmetic and failed to check the proofs in practice. Closes #16311. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
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This PR changes the proofs produced by
lia,grind, and theNatoffset simprocs so that the kernel no longer has to evaluate their arithmetic atoms. Before, for goals containing terms such as(x + 4294967295) % 4294967296, the kernel ran in unaryNatarithmetic and failed to check the proofs in practice. Closes #16311.🤖 Generated with Claude Code