pith. machine review for the scientific record. sign in
class definition def or abbrev

LogModel

show as:
view Lean formalization →

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

generate prose now

formal statement (Lean)

 189class LogModel (G : ℝ → ℝ) : Prop where
 190  even_log : ∀ t : ℝ, G (-t) = G t
 191  base0 : G 0 = 0
 192  upper_cosh : ∀ t : ℝ, G t ≤ ((Real.exp t + Real.exp (-t)) / 2 - 1)
 193  lower_cosh : ∀ t : ℝ, ((Real.exp t + Real.exp (-t)) / 2 - 1) ≤ G t
 194

used by (1)

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

depends on (5)

Lean names referenced from this declaration's body.