Theorems · Definition · order theory
Order.pred
{α : Type u_1} → [inst : Preorder α] → [PredOrder α] → α → αThe predecessor of an element. If a is not minimal, then pred a is the greatest
element less than a. If a is minimal, then pred a = a.
- Defined in
- Mathlib.Order.SuccPred.Basic
- Cited by
- 273 results in Mathlib
- Foundations
- Depth 3 from the axioms, rests on 4 definitions · uses no axioms
Around this declaration
Dashed lines are statement dependencies; solid lines are citations in proofs.
Cites3
Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.
- Preorderstatement and proof · cited by 7,952
- PredOrderstatement and proof · cited by 334
- PredOrder.predproof · cited by 8
Cited by282
Results whose statement or proof uses this declaration.
- Order.pred_eq_sub_onestatement · cited by 59
- Order.pred_lestatement · cited by 19
- Order.le_pred_of_ltstatement · cited by 15
- Order.le_pred_iff_of_not_isMinstatement · cited by 14
- IsPredArchimedean.exists_pred_iterate_of_lestatement · cited by 11
- Order.pred_lt_iff_of_not_isMinstatement · cited by 10
- Order.pred_lt_of_not_isMinstatement · cited by 9
- CovBy.pred_eqstatement · cited by 8
- WithTop.predproof · cited by 8
- Order.pred_covBy_of_not_isMinstatement · cited by 8
- Order.pred_eq_iff_isMinstatement and proof · cited by 8
- IsPredArchimedean.findAtomproof · cited by 8
Showing the 200 most cited of 282.