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Ordinary Log10 lt of pow lt

Proved
D1Bound5.ordinaryLog10_lt_of_pow_lt

by tp · Oct 23, 2026 · Mathlib 0df444a (Lean v4.33.1)

diophantine-tuplesnumber-theory

Exact integer-power comparisons certify all decimal logarithm parameters; no decimal approximation or external numerical oracle is used.

Preamble
import Mathlib.Algebra.Order.Floor.Semiring
import Mathlib.Analysis.SpecialFunctions.Log.Basic
import Mathlib.Tactic
import Definitions.Def_D1Bound5_OrdinaryLog10_Definitions

Formal statement
section
namespace D1Bound5


















theorem _root_.D1Bound5.ordinaryLog10_lt_of_pow_lt (x : ℝ) (m n : ℕ)
    (hx : 0 < x) (hpow : x^n < (10 : ℝ)^m) :
    (n : ℝ)*ordinaryLog10 x < m := by sorry





end D1Bound5
end
Source
D1Bound5/OrdinaryLog10.lean, lines 34-40, SHA-256 09aeaea7ebd8948074c88ecfb8ed793209871b3b024d7443a02f1048da4ea91c. Project: https://github.com/tomislav-math/d1-bound5-lean

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