Calc
Inductive()
Lemma
NewType()
Proof
QExists()
QForAll()
Struct()
axiom()
cond()
define()
prove()
search()
simp()
is_if()
Eq()
is_accessor()
is_constructor()
is_power()
is_recognizer()
is_uninterp()
Check if an expression is an if-then-else. >>> is_if(z3.If(True, 1, 2)) True
x (ExprRef)
bool