(assert= true true)
(assert= false false)

(assert= false (not true))
(assert= true (not false))

(assert= true (and true true))
(assert= false (and true false))
(assert= false (and false true))
(assert= false (and false false))

(assert= true (or true true))
(assert= true (or true false))
(assert= true (or false true))
(assert= false (or false false))

(and false (: (assert= 0 1) false))
(or true (: (assert= 0 1) false))