motion_cost

formal source

  31theorem rest_frame : Jcost 1 = 0 := Jcost_unit0
  32
  33/-- Motion has recognition cost: J > 0 off rest. -/
  34theorem motion_cost {r : ℝ} (hr : 0 < r) (hne : r ≠ 1) :
  35    0 < Jcost r := Jcost_pos_of_ne_one r hr hne
  36
  37/-- SR symmetry: J(β) = J(β⁻¹) (no preferred direction). -/
  38theorem sr_symmetry {r : ℝ} (hr : 0 < r) :
  39    Jcost r = Jcost r⁻¹ := Jcost_symm hr
  40
  41structure SpecialRelativityCert where
  42  five_effects : Fintype.card SREffect = 5
  43  rest_zero : Jcost 1 = 0
  44  motion_positive : ∀ {r : ℝ}, 0 < r → r ≠ 1 → 0 < Jcost r
  45  symmetric : ∀ {r : ℝ}, 0 < r → Jcost r = Jcost r⁻¹
  46
  47def specialRelativityCert : SpecialRelativityCert where
  48  five_effects := srEffectCount
  49  rest_zero := rest_frame
  50  motion_positive := motion_cost
  51  symmetric := sr_symmetry
  52
  53end IndisputableMonolith.Physics.SpecialRelativityFromRS