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def definition def or abbrev

Z_poly

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formal statement (Lean)

 246def Z_poly (a b : ℕ) (q : ℤ) : ℤ := a * q^2 + b * q^4

proof body

Definition body.

 247
 248/-- **B-26 DERIVED**: If a ≥ 1 and b ≥ 1, then Z is strictly increasing
 249    on the positive integers: q₁ > q₂ > 0 implies Z(q₁) > Z(q₂). -/

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