Theorems · Theorem · order theory

tsub_tsub_tsub_le_tsub

∀ {α : Type u_1} [inst : Preorder α] [inst_1 : AddCommSemigroup α] [inst_2 : Sub α] [OrderedSub α] {a b c : α}
  [AddLeftMono α], c - a - (c - b) ≤ b - a

Defined in

Mathlib.Algebra.Order.Sub.Defs

Cited by

0 results in Mathlib

Foundations

Depth 8 from the axioms · uses propext, Quot.sound

Assumes

PreorderAddCommSemigroupSubOrderedSubAddLeftMono