Initial revision
changed comments.
Initial revision
set2efxmap-presereves-is-consume?
Initial revision
set`remove-not-member-add-same-result
set`remove-not-member-add-same-result-converse
set`remove-not-member-add-same-result-converse*
- defined efx`not-consume and efx`is-consume, which are shortcuts for
  efxmap`is-consume?
- efx`join-not-consume
- lots of theorems for partition
- efx-id-eq
- fresh-update-preserves-set2efxmap-converse2
- partition-leq-implies-leq (possibly needs to change to efxmap`...)
Initial revision
removed consume effect.
removed is-consume? since we now put consume in effects.
removed is-consume? related theorem
Initial revision
proved join-associative, tired!
- join-total*
- included minmax.elf
Initial revision
redefined join using grt and cmp, instead of
naive enumeration on all efx.
- redefined shared-efx using efx, so join and leq
now contain fewer clauses.