As defined for use NAT-DED: is a primitive tactic.

If the planned line is existentially quantified, will apply EGEN,

prompting for the term if in interactive mode.

As defined for use ETREE-NAT: is a primitive tactic.

If the planned line corresponds to a expansion node with a single

admissible expansion term, applies EGEN using that term. Same as Pfenning's

tactic 195.

© 1988-99, Carnegie Mellon University.