theorem proved term proof

`motion_cost`

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formal statement (Lean)

  34theorem motion_cost {r : ℝ} (hr : 0 < r) (hne : r ≠ 1) :
  35    0 < Jcost r := Jcost_pos_of_ne_one r hr hne

Term-mode proof.

  36
  37/-- SR symmetry: J(β) = J(β⁻¹) (no preferred direction). -/

From the project-wide theorem graph. These declarations reference this one in their body.

specialRelativityCert in IndisputableMonolith.Physics.SpecialRelativityFromRS decl_use

Lean names referenced from this declaration's body.