Mathlib Map

Theorems · Theorem · order theory

tsub_le_iff_left

∀ {α : Type u_1} [inst : Preorder α] [inst_1 : AddCommSemigroup α] [inst_2 : Sub α] [OrderedSub α] {a b c : α},
  a - b ≤ c ↔ a ≤ b + c
Defined in
Mathlib.Algebra.Order.Sub.Defs
Cited by
38 results in Mathlib
Foundations
Depth 6 from the axioms · uses propext
Assumes
PreorderAddCommSemigroupSubOrderedSub

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Cites5

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Cited by38

Results whose statement or proof uses this declaration.