import system.IO

vm_eval do pp (level.max (level.succ level.zero) (level.param "foo")), put_str "\n"

vm_eval level.normalize (level.succ (level.max (level.max level.zero (level.succ level.zero)) (level.param "l₁")))

vm_eval level.imax (level.meta "m") (level.of_nat 10)

vm_eval if level.zero = level.zero then "eq" else "neq"

vm_eval level.occurs (level.param "l2") (level.max (level.param "l1") (level.param "l2"))

vm_eval level.occurs (level.param "l3") (level.max (level.param "l1") (level.param "l2"))

vm_eval level.eqv (level.max (level.param "l1") (level.param "l2")) (level.max (level.param "l2") (level.param "l1"))

vm_eval level.eqv (level.max (level.param "l1") (level.param "l2")) (level.max (level.param "l2") (level.param "l2"))

vm_eval level.has_param (level.max (level.param "l1") (level.param "l2")) "l1"
vm_eval level.has_param (level.max (level.param "l1") (level.param "l2")) "l2"
vm_eval level.has_param (level.max (level.param "l1") (level.param "l2")) "l3"