Package bool-int: Intuitionistic boolean theorems

Information

namebool-int
version1.17
descriptionIntuitionistic boolean theorems
authorJoe Leslie-Hurd <joe@gilith.com>
licenseHOLLight
provenanceHOL Light theory extracted on 2012-02-10
requiresbool-def
showData.Bool

Files

Theorems

¬

¬

x. x = x

t. t t

a. x. x = a

a. ∃!x. x = a

t. (x. t) t

t. (x. t) t

t. ( t) t

t. (t ) t

t. t

t. t t

t. t

t. t t

t. t t t

t. t

t. t t

t. t

t. t t

t. t

t. t t

t. t

t. t t t

t1 t2. (let x t2 in t1) = t1

t. ( t) ¬t

t. (t ) ¬t

t. t ¬t

f y. (let x y in f x) = f y

x y. x = y y = x

x y. x = y y = x

t1 t2. t1 t2 t2 t1

t1 t2. t1 t2 t2 t1

a b. (a b) a b

p q. (q p) ¬p ¬q

p a. (x. a = x p x) p a

p a. (x. x = a p x) p a

p a. (x. a = x p x) p a

p a. (x. x = a p x) p a

p q. (x. p q) (x. p) x. q

p q. (x. p q) (x. p) x. q

p q. (x. p q) (x. p) x. q

p q. (x. p q) (x. p) x. q

p q. (x. p) (x. q) x. p q

p q. (x. p) (x. q) x. p q

p. (x y. p x y) y x. p x y

p. (x y. p x y) y x. p x y

p q. (x. p q x) p x. q x

p q. (x. p q x) p x. q x

p q. p (x. q x) x. p q x

p q. p (x. q x) x. p q x

p q. p (x. q x) x. p q x

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 q. (x. p x) q x. p x q

p q. (x. p x) q x. p x q

p q. (x. p x) q x. p x q

p q. (x. p x) q x. p x q

p. (∃!x. p x) x. y. p y x = y

x y z. x = y y = z x = z

p q r. p q r p q r

t1 t2 t3. (t1 t2) t3 t1 t2 t3

t1 t2 t3. (t1 t2) t3 t1 t2 t3

p q r. p (q r) p q p r

p q r. p q r (p q) (p r)

p q r. p q r (p q) (p r)

p q r. (p q) r p r q r

p q r. p q r (p r) (q r)

p q r. p q r (p r) (q r)

p. (∃!x. p x) x. p x y. p y y = x

p q. (x. p x q x) (x. p x) x. q x

p q. (x. p x q x) (x. p x) x. q x

p q. (x. p x q x) (x. p x) x. q x

p q. (x. p x q x) (x. p x) x. q x

p q. (x. p x) (x. q x) x. p x q x

p q. (x. p x) (x. q x) x. p x q x

p1 p2 q1 q2. (p1 p2) (q1 q2) p1 q1 p2 q2

p1 p2 q1 q2. (p1 p2) (q1 q2) p1 q1 p2 q2

p1 p2 q1 q2. (p2 p1) (q1 q2) (p1 q1) p2 q2

p. (∃!x. p x) (x. p x) x x'. p x p x' x = x'

Input Type Operators

Input Constants

Assumptions

p. p

(¬) = λp. p

(λp. p) = λp. p

() = λp. p = λx.

() = λp q. p q p

() = λp q. (λf. f p q) = λf. f

() = λp. q. (x. p x q) q

() = λp q. r. (p r) (q r) r

(∃!) = λp. () p x y. p x p y x = y