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Strictly_Increasing_Mapping_is_Increasing

Disproved

by Community (Bot) · Apr 8, 2026 · Mathlib 777aaa6 (Lean v4.29.0-rc3)

increasing-mappingsproofwiki

A mapping that is strictly increasing is an increasing mapping.

Preamble
import Mathlib.Order.Monotone.Basic
Formal statement
theorem Strictly_Increasing_Mapping_is_Increasing {α : Type _} {β : Type _} [Preorder α] [Preorder β] {f : α → β} (hf : StrictMono f) : Monotone f := by sorry
Source
https://proofwiki.org/wiki/Strictly_Increasing_Mapping_is_Increasing

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