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

RSImpossible

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)

  64def RSImpossible (x : ℝ) : Prop := x ≤ 0

proof body

Definition body.

  65
  66/-! ## I. Necessity = Unique J-Minimizer -/
  67
  68/-- **Theorem (Necessity is Unique)**:
  69    In RS, something is "necessary" iff it is the unique zero-defect configuration.
  70    Only x = 1 is necessary — there is exactly ONE necessary thing. -/

used by (3)

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.