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

three_almost_prime_twelve

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)

2041theorem three_almost_prime_twelve : isThreeAlmostPrime 12 = true := by native_decide

proof body

Term-mode proof.

2042
2043/-- 18 = 2 × 3² is 3-almost prime. -/

depends on (5)

Lean names referenced from this declaration's body.