Known bugs & problems, and immedate future work
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- case vdm_ax in call cut lemmas
- finiteness of contexts in completeness (use finite set of funames? 
  or contraction lemma on contexts, saying that contexts with finite 
  domain suffice)
- class info in objects (oheap) lost duting simplification
   (see ExampleListlength). Do we need instruction instanceOf?
- invokes in soundness, completeness
- existentials in let rules: maybe replace 
   <1 0 0 0> \oplus (p1 \smile p2) by 
  (<1 0 0 0> \oplus p1) \smile (<1 0 0 0> oplus p2) so that
  p1 gets instantiated erlier?
  (Motivated by problems in listAppend where we have deeply nested
  chains of existentials and set inclusions.
- examples we should do: more list stuff, freelist class, maybe coast/pedal


- maybe write a deliverable?
