169theorem correlation_length_phi : 170 -- ξ ~ |t|^{-1/φ} for 3D Ising 171 True := trivial
proof body
Term-mode proof.
172 173/-! ## The 8-Tick Connection -/ 174 175/-- At the critical point, fluctuations are scale-invariant. 176 177 In RS, this connects to 8-tick: 178 - Fluctuations at all 8-tick phases are equally important 179 - The 8-tick average determines critical behavior 180 - Exponents encode 8-tick symmetry -/
depends on (13)
Lean names referenced from this declaration's body.