Calc
Inductive()
Lemma
NewType()
Proof
QExists()
QForAll()
Struct()
axiom()
cond()
define()
prove()
search()
simp()
SchemaVars()
ForAllI()
Goal
LemmaCallback
forallI()
simp_tac()
subst()
Create a list of schema variables with the given names and sort.
names (str)
sort (SortRef)
list[ExprRef]