theory Contract imports Solidity WP keywords "contract" :: thy_decl and "constructor" and "cfunction" and "external" and "memory" and "param" and "calldata" and "payable" and "verification" :: thy_goal and "strong" and "invariant"::thy_decl begin ML_file Utils.ML ML_file Data.ML ML_file Specification.ML ML_file Invariant.ML ML_file Verification.ML end