Calc
FreshVar()
FreshVars()
Inductive()
Lemma()
NewType()
PTheorem()
Proof
QExists()
QForAll()
QImplies()
Struct()
Theorem()
axiom()
cond()
define()
prove()
search()
simp()
ensures()
Env
KnuckleClosure
Return
coverage_check()
datatype()
eval_()
expr()
infer_sort()
merge_branches()
namedtuple_of_constructor()
nbe()
reflect()
reify()
requires()
sort_of_type()
struct()
type_of_sort()
e (BoolRef)