Calc
FreshVar()
FreshVars()
Inductive()
Lemma()
NewType()
PTheorem()
Proof
QExists()
QForAll()
QImplies()
Struct()
Theorem()
axiom()
cond()
define()
prove()
search()
simp()
BigUnion()
Choose()
Closed()
CountInter()
EClass()
FamilyUnion()
Finite()
Injective()
PowerSet()
Quot()
Range()
Set()
Singleton()
Surjective()
bigunion()
complement()
diff()
finite()
finite_decl()
finite_empty()
inter()
is_set()
member()
subset()
union()