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Theorems · Theorem · order theory

IsPredArchimedean.exists_pred_iterate_of_le

∀ {α : Type u_3} {inst : Preorder α} {inst_1 : PredOrder α} [self : IsPredArchimedean α] {a b : α},
  a ≤ b → ∃ n, Order.pred^[n] b = a

If a ≤ b then one can get to b from a by iterating pred

Defined in
Mathlib.Order.SuccPred.Archimedean
Cited by
11 results in Mathlib
Foundations
Depth 7 from the axioms · uses no axioms
Assumes
IsPredArchimedean

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