Calc
FreshVar()
FreshVars()
Inductive()
Lemma()
NewType()
PTheorem()
Proof
QExists()
QForAll()
QImplies()
Struct()
Theorem()
axiom()
cond()
define()
prove()
search()
simp()
AstRef
Const()
Consts()
Context
ExprRef
FreshConst()
FuncDeclRef
Function()
SortRef
TypeVarRef
main_ctx()
names (str)
sort (SortRef)
list[ExprRef]