Calc
Inductive()
Lemma
NewType()
Proof
QExists()
QForAll()
Struct()
axiom()
cond()
define()
prove()
search()
simp()
idem_simp()
GenericProof
TypeClass
>>> idem_simp(smt.And(a, smt.And(a, a))) a
e (ExprRef)
ExprRef