Use [tree_with_*] functions to describe trees in the pre and post conditions Makes specs more readable and hopefully simplifies proofs too (e.g.,   maybe instantiating dinum). [copydata_ok] still proves
Use [tree_with_*] functions to describe trees in the pre and post conditions
Makes specs more readable and hopefully simplifies proofs too (e.g.,
  maybe instantiating dinum).
[copydata_ok] still proves

mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl,mit-pdos/fscq-impl