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