Calc
FreshVar()
FreshVars()
Inductive()
Lemma()
NewType()
PTheorem()
Proof
QExists()
QForAll()
QImplies()
Struct()
Theorem()
axiom()
cond()
define()
prove()
search()
simp()
>>> x = smt.Const("x", TSort(smt.BoolSort())) >>> Next(x) T_Bool(Lambda(t!..., val(x)[t!... + 1]))