theorem proved term proof

`phi_pos`

No prose has been written for this declaration yet. The Lean source and graph data below render without it.

formal statement (Lean)

 209theorem phi_pos : 0 < phi := by

proof body

Term-mode proof.

 210  unfold phi
 211  have : 0 < Real.sqrt 5 := Real.sqrt_pos.mpr (by norm_num : (0 : ℝ) < 5)
 212  linarith
 213
 214/-- The link-penalty cost J_bit = ln φ -/

depends on (2)

Lean names referenced from this declaration's body.

cost in IndisputableMonolith.Foundation.MultiplicativeRecognizerL4 decl_use
cost in IndisputableMonolith.Foundation.ObserverForcing decl_use