postural_minimization

formal source

  46/-- **THEOREM: Postural Strain Minimization**
  47    Aligning the postural axis with a resonant axis (alignment_quality = 1)
  48    identically minimizes the geometric coupling cost. -/
  49theorem postural_minimization (pa : PosturalAxis) :
  50    alignment_quality pa = 1 →
  51    postural_coupling_cost pa = 0 := by
  52  intro h_qual
  53  unfold postural_coupling_cost
  54  rw [h_qual]
  55  ring
  56
  57/-- **DEFINITION: System Stability (Posture)**
  58    Biological stability derived from postural alignment. -/
  59def SystemStability (pa : PosturalAxis) : ℝ :=
  60  1 / (1 + postural_coupling_cost pa)
  61
  62/-- **THEOREM: Posture and Stability**
  63    A resonant posture increases the System Stability to its maximum (1.0). -/
  64theorem posture_increases_stability (pa : PosturalAxis) :
  65    alignment_quality pa = 1 →
  66    SystemStability pa = 1.0 := by
  67  intro h_qual
  68  have h_cost := postural_minimization pa h_qual
  69  unfold SystemStability
  70  rw [h_cost]
  71  simp
  72
  73end Posture
  74end Applied
  75end IndisputableMonolith