216theorem D_quad2_not_axisAdditive : ¬ AxisAdditive correction_D_quad2 := by
proof body
Term-mode proof.
217 intro h 218 rcases h with ⟨h0, hadd⟩ 219 have h11 : correction_D_quad2 (1 + 1) = correction_D_quad2 1 + correction_D_quad2 1 := hadd 1 1 220 unfold correction_D_quad2 at h11 221 norm_num at h11 222 223/-! ## Part 7: Main statement (uniqueness within the admissible class) -/ 224 225/-- **Main theorem**: any admissible correction is exactly `D/2`. -/
depends on (8)
Lean names referenced from this declaration's body.