Calc
FreshVar()
FreshVars()
Inductive()
Lemma()
NewType()
PTheorem()
Proof
QExists()
QForAll()
QImplies()
Struct()
Theorem()
axiom()
cond()
define()
prove()
search()
simp()
Prove reflexivity of equality
>>> x = smt.Int("x") >>> eqrefl(x) |= x == x
x (ExprRef)