name | list-set-def |
version | 1.10 |
description | list-set-def |
author | Joe Hurd <joe@gilith.com> |
license | HOLLight |
provenance | HOL Light theory extracted on 2011-07-25 |
show | Data.Bool |
⊦ ∀s.
Set.finite s ⇒
Data.List.toSet (Data.List.fromSet s) = s ∧
Data.List.length (Data.List.fromSet s) = Set.size s
⊦ Data.List.toSet Data.List.[] = Set.∅ ∧
∀h t.
Data.List.toSet (Data.List.:: h t) = Set.insert h (Data.List.toSet t)
⊦ T
⊦ F ⇔ ∀p. p
⊦ (~) = λp. p ⇒ F
⊦ (∃) = λP. P ((select) P)
⊦ (∀) = λp. p = λx. T
⊦ ∀x. x = x ⇔ T
⊦ (⇒) = λp q. p ∧ q ⇔ p
⊦ (∧) = λp q. (λf. f p q) = λf. f T T
⊦ (∃) = λP. ∀q. (∀x. P x ⇒ q) ⇒ q
⊦ ∀t1 t2. (if T then t1 else t2) = t1 ∧ (if F then t1 else t2) = t2
⊦ Data.List.length Data.List.[] = 0 ∧
∀h t.
Data.List.length (Data.List.:: h t) =
Number.Natural.suc (Data.List.length t)
⊦ ∀NIL' CONS'.
∃fn.
fn Data.List.[] = NIL' ∧
∀a0 a1. fn (Data.List.:: a0 a1) = CONS' a0 a1 (fn a1)
⊦ Set.size Set.∅ = 0 ∧
∀x s.
Set.finite s ⇒
Set.size (Set.insert x s) =
if Set.∈ x s then Set.size s else Number.Natural.suc (Set.size s)
⊦ ∀P.
P Set.∅ ∧
(∀x s. P s ∧ ¬Set.∈ x s ∧ Set.finite s ⇒ P (Set.insert x s)) ⇒
∀s. Set.finite s ⇒ P s
⊦ ∀t. (T ∧ t ⇔ t) ∧ (t ∧ T ⇔ t) ∧ (F ∧ t ⇔ F) ∧ (t ∧ F ⇔ F) ∧ (t ∧ t ⇔ t)
⊦ ∀t. (T ⇒ t ⇔ t) ∧ (t ⇒ T ⇔ T) ∧ (F ⇒ t ⇔ T) ∧ (t ⇒ t ⇔ T) ∧ (t ⇒ F ⇔ ¬t)