name | bool-int-and |
version | 1.0 |
description | bool-int-and |
author | Joe Hurd <joe@gilith.com> |
license | HOLLight |
provenance | HOL Light theory extracted on 2011-02-19 |
show | Data.Bool |
⊦ ∀t1 t2. t1 ∧ t2 ⇔ t2 ∧ t1
⊦ ∀t1 t2 t3. t1 ∧ t2 ∧ t3 ⇔ (t1 ∧ t2) ∧ t3
⊦ ∀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)
⊦ T
⊦ (∀) = λP. P = λx. T
⊦ (∧) = λp q. (λf. f p q) = λf. f T T