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Theorems · Theorem · order theory

le_tsub_iff_left

∀ {α : Type u_1} [inst : AddCommSemigroup α] [inst_1 : PartialOrder α] [ExistsAddOfLE α] [AddLeftMono α]
  [inst_4 : Sub α] [OrderedSub α] {a b c : α} [AddLeftReflectLE α], a ≤ c → (b ≤ c - a ↔ a + b ≤ c)
Defined in
Mathlib.Algebra.Order.Sub.Unbundled.Basic
Cited by
5 results in Mathlib
Foundations
Depth 11 from the axioms · uses propext, Quot.sound
Assumes
AddCommSemigroupPartialOrderExistsAddOfLEAddLeftMonoSubOrderedSubAddLeftReflectLE

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