{ "workUnitId": "W-M01", "contractVersion": "1.0.0", "leanVersion": "4.19.0", "mathlibRevision": "c44e0c8ee63ca166450922a373c7409c5d26b00b", "statement": "theorem work_unit_bound (x y : ℝ) : 2 * x * y ≤ x ^ 2 + y ^ 2", "meaning": "任意实数x、y都有2xy不超过x平方与y平方之和", "allowedAxioms": ["propext", "Classical.choice", "Quot.sound"], "submission": "固定statement下的proof-body.lean;不接受改命题、额外假设、sorry或新增公理" }