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Project-declaredLean 4.31.0 · mathlib@fabf563a7c95

Oracle Verifier to Verifier run

CheckClaim.oracleVerifier_toVerifier_run

Plain-language statement

The pure pass-through oracle verifier's underlying non-oracle verifier returns the combined input statement unchanged.

Exact Lean statement

theorem oracleVerifier_toVerifier_run {stmt : Statement} {oStmt : ∀ i, OStatement i}
    {tr : (!p[] : ProtocolSpec 0).FullTranscript} :
    (oracleVerifier oSpec Statement OStatement).toVerifier.run ⟨stmt, oStmt⟩ tr =
      pure ⟨stmt, oStmt⟩

Formal artifact

Lean source

Canonical source
Full Lean sourceLean 4
theorem oracleVerifier_toVerifier_run {stmt : Statement} {oStmt :  i, OStatement i}    {tr : (!p[] : ProtocolSpec 0).FullTranscript} :    (oracleVerifier oSpec Statement OStatement).toVerifier.run stmt, oStmt tr =      pure stmt, oStmt := by  simp only [Verifier.run, OracleVerifier.toVerifier, oracleVerifier]  rw [show simulateQ (OracleInterface.simOracle2 oSpec oStmt tr.messages)        (pure stmt : OptionT (OracleComp _) Statement)      = (pure stmt : OptionT (OracleComp oSpec) Statement) from rfl, pure_bind]  congr 1
Project
ArkLib
License
Apache-2.0
Commit
fad5cbf80877
Source
ArkLib/ProofSystem/Component/CheckClaim.lean:223-231

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Related declarations

Project-declaredLean 4.31.0

Affine gaps lifted to interleaved codes

affine_gaps_lifted_to_interleaved_codes

Project documentation

This lemma proves the final algebraic step in the DG25 Theorem 3.1 proof. It shows that if R > e + 1, then e * (R / (R - 1)) < e + 1. The intuition is that the fraction R / (R - 1) is always greater than 1, but as R gets larger, it gets closer to 1. The hypothesis R > e + 1 provides a strong enough bound to ensure the product e * (fraction) do...

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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Project-declaredLean 4.31.0

Gadget Decompose coeff

ArkLib.Lattices.Ajtai.gadgetDecompose_coeff

Plain-language statement

The k-th coefficient (k < deg φ) of a gadget-decomposition block is exactly the corresponding digit of the corresponding input coefficient.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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Project-declaredLean 4.31.0

Gadget Decompose lawful

ArkLib.Lattices.Ajtai.gadgetDecompose_lawful

Plain-language statement

The base-b gadget decomposition is a lawful gadget decomposition.

cryptographyproof systemscoding theory

Source project: ArkLib

Person-level attribution pending.

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