Package list-map-thm: list-map-thm

Information

name	list-map-thm
version	1.12
description	list-map-thm
author	Joe Hurd <joe@gilith.com>
license	HOLLight
provenance	HOL Light theory extracted on 2011-09-21
show	Data.Bool

Files

Package tarball list-map-thm-1.12.tgz
Theory file list-map-thm.thy (included in the package tarball)

Theorems

⊦ Data.List.map Function.id = Function.id

⊦ ∀l. Data.List.map (λx. x) l = l

⊦ ∀l f. Data.List.length (Data.List.map f l) = Data.List.length l

⊦ ∀f l.
Data.List.toSet (Data.List.map f l) = Set.image f (Data.List.toSet l)

⊦ ∀f l. Data.List.map f l = Data.List.[] ⇔ l = Data.List.[]

⊦ ∀f g l.
Data.List.map (Function.∘ g f) l = Data.List.map g (Data.List.map f l)

⊦ ∀f l1 l2.
Data.List.map f (Data.List.@ l1 l2) =
Data.List.@ (Data.List.map f l1) (Data.List.map f l2)

⊦ ∀f. (∀m. ∃l. Data.List.map f l = m) ⇔ ∀y. ∃x. f x = y

⊦ ∀f.
(∀l m. Data.List.map f l = Data.List.map f m ⇒ l = m) ⇔
∀x y. f x = f y ⇒ x = y

Input Type Operators

→
bool
Data
- List
  - Data.List.list
Number
- Natural
  - Number.Natural.natural
Set
- Set.set

Input Constants

=
Data
- Bool
  - ∀
  - ∧
  - ⇒
  - ∃
  - ∨
  - ¬
  - F
  - T
- List
  - Data.List.::
  - Data.List.@
  - Data.List.[]
  - Data.List.length
  - Data.List.map
  - Data.List.toSet
Function
- Function.id
- Function.∘
Number
- Natural
  - Number.Natural.suc
  - Number.Natural.zero
Set
- Set.∅
- Set.image
- Set.insert

Assumptions

⊦ T

⊦ Function.id = λx. x

⊦ F ⇔ ∀p. p

⊦ ∀x. Function.id x = x

⊦ ∀t. t ∨ ¬t

⊦ (¬) = λp. p ⇒ F

⊦ ∀t. (∀x. t) ⇔ t

⊦ ∀t. (λx. t x) = t

⊦ (∀) = λp. p = λx. T

⊦ ∀x. x = x ⇔ T

⊦ (⇒) = λp q. p ∧ q ⇔ p

⊦ ∀t. (t ⇔ T) ∨ (t ⇔ F)

⊦ ∀h t. ¬(Data.List.:: h t = Data.List.[])

⊦ (¬T ⇔ F) ∧ (¬F ⇔ T)

⊦ (∧) = λp q. (λf. f p q) = λf. f T T

⊦ ∀P. ¬(∀x. P x) ⇔ ∃x. ¬P x

⊦ ∀P. ¬(∃x. P x) ⇔ ∀x. ¬P x

⊦ (∃) = λP. ∀q. (∀x. P x ⇒ q) ⇒ q

⊦ ∀f g x. Function.∘ f g x = f (g x)

⊦ ∀f g. f = g ⇔ ∀x. f x = g x

⊦ (∨) = λp q. ∀r. (p ⇒ r) ⇒ (q ⇒ r) ⇒ r

⊦ ∀P Q. P ∨ (∃x. Q x) ⇔ ∃x. P ∨ Q x

⊦ ∀P Q. (∃x. P x) ∧ Q ⇔ ∃x. P x ∧ Q

⊦ ∀P Q. (∃x. P x) ⇒ Q ⇔ ∀x. P x ⇒ Q

⊦ ∀P. (∀x. ∃y. P x y) ⇔ ∃y. ∀x. P x (y x)

⊦ Data.List.length Data.List.[] = 0 ∧
  ∀h t.
    Data.List.length (Data.List.:: h t) =
    Number.Natural.suc (Data.List.length t)

⊦ (∀t. ¬¬t ⇔ t) ∧ (¬T ⇔ F) ∧ (¬F ⇔ T)

⊦ Data.List.toSet Data.List.[] = Set.∅ ∧
∀h t.
Data.List.toSet (Data.List.:: h t) = Set.insert h (Data.List.toSet t)

⊦ ∀P. P Data.List.[] ∧ (∀a0 a1. P a1 ⇒ P (Data.List.:: a0 a1)) ⇒ ∀x. P x

⊦ ∀h1 h2 t1 t2. Data.List.:: h1 t1 = Data.List.:: h2 t2 ⇔ h1 = h2 ∧ t1 = t2

⊦ (∀l. Data.List.@ Data.List.[] l = l) ∧
∀l h t.
Data.List.@ (Data.List.:: h t) l = Data.List.:: h (Data.List.@ t l)

⊦ (∀f. Data.List.map f Data.List.[] = Data.List.[]) ∧
  ∀f h t.
    Data.List.map f (Data.List.:: h t) =
    Data.List.:: (f h) (Data.List.map f t)

⊦ (∀f. Set.image f Set.∅ = Set.∅) ∧
∀f x s. Set.image f (Set.insert x s) = Set.insert (f x) (Set.image f s)

⊦ ∀t. ((T ⇔ t) ⇔ t) ∧ ((t ⇔ T) ⇔ t) ∧ ((F ⇔ t) ⇔ ¬t) ∧ ((t ⇔ F) ⇔ ¬t)

⊦ ∀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 ∨ F ⇔ t) ∧ (t ∨ t ⇔ t)

⊦ ∀t. (T ⇒ t ⇔ t) ∧ (t ⇒ T ⇔ T) ∧ (F ⇒ t ⇔ T) ∧ (t ⇒ t ⇔ T) ∧ (t ⇒ F ⇔ ¬t)

⊦ ∀p q r.
(p ∨ q ⇔ q ∨ p) ∧ ((p ∨ q) ∨ r ⇔ p ∨ q ∨ r) ∧ (p ∨ q ∨ r ⇔ q ∨ p ∨ r) ∧
(p ∨ p ⇔ p) ∧ (p ∨ p ∨ q ⇔ p ∨ q)