pith. machine review for the scientific record. sign in
theorem proved term proof

mobius_twohundredten

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)

1122theorem mobius_twohundredten : mobius 210 = 1 := by native_decide

proof body

Term-mode proof.

1123
1124/-- μ(18) = 0 (not squarefree, 9 | 18). -/

used by (1)

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

depends on (1)

Lean names referenced from this declaration's body.