Documentation

Mathlib.Algebra.Order.Monoid.Units

Units in ordered monoids #

instance AddUnits.instPreorder {α : Type u_1} [AddMonoid α] [Preorder α] :
Equations
instance Units.instPreorder {α : Type u_1} [Monoid α] [Preorder α] :
Equations
@[simp]
theorem AddUnits.val_le_val {α : Type u_1} [AddMonoid α] [Preorder α] {a : AddUnits α} {b : AddUnits α} :
↑a ≤ ↑b ↔ a ≤ b
@[simp]
theorem Units.val_le_val {α : Type u_1} [Monoid α] [Preorder α] {a : αˣ} {b : αˣ} :
↑a ≤ ↑b ↔ a ≤ b
@[simp]
theorem AddUnits.val_lt_val {α : Type u_1} [AddMonoid α] [Preorder α] {a : AddUnits α} {b : AddUnits α} :
↑a < ↑b ↔ a < b
@[simp]
theorem Units.val_lt_val {α : Type u_1} [Monoid α] [Preorder α] {a : αˣ} {b : αˣ} :
↑a < ↑b ↔ a < b
Equations
Equations
Equations
instance Units.instLinearOrder {α : Type u_1} [Monoid α] [LinearOrder α] :
Equations

val : add_units α → α as an order embedding.

Equations
  • AddUnits.orderEmbeddingVal = { toFun := AddUnits.val, inj' := ⋯, map_rel_iff' := ⋯ }
Instances For
    @[simp]
    theorem AddUnits.orderEmbeddingVal_apply {α : Type u_1} [AddMonoid α] [LinearOrder α] :
    ⇑AddUnits.orderEmbeddingVal = AddUnits.val
    @[simp]
    theorem Units.orderEmbeddingVal_apply {α : Type u_1} [Monoid α] [LinearOrder α] :
    ⇑Units.orderEmbeddingVal = Units.val
    def Units.orderEmbeddingVal {α : Type u_1} [Monoid α] [LinearOrder α] :
    αˣ ↪o α

    val : αˣ → α as an order embedding.

    Equations
    • Units.orderEmbeddingVal = { toFun := Units.val, inj' := ⋯, map_rel_iff' := ⋯ }
    Instances For
      @[simp]
      theorem AddUnits.max_val {α : Type u_1} [AddMonoid α] [LinearOrder α] {a : AddUnits α} {b : AddUnits α} :
      ↑(max a b) = max ↑a ↑b
      @[simp]
      theorem Units.max_val {α : Type u_1} [Monoid α] [LinearOrder α] {a : αˣ} {b : αˣ} :
      ↑(max a b) = max ↑a ↑b
      @[simp]
      theorem AddUnits.min_val {α : Type u_1} [AddMonoid α] [LinearOrder α] {a : AddUnits α} {b : AddUnits α} :
      ↑(min a b) = min ↑a ↑b
      @[simp]
      theorem Units.min_val {α : Type u_1} [Monoid α] [LinearOrder α] {a : αˣ} {b : αˣ} :
      ↑(min a b) = min ↑a ↑b