Program Definition mapsto_can_store_definition ch v sh (wsh: writable0_share sh) b ofs jm (v':val)
  (MAPSTO: (address_mapsto ch v sh (b, ofs) * TT)%pred (m_phi jm)):
  Memory.mem.

Lemma perm_order''_trans p1 p2 p3 : perm_order'' p1 p2 -> perm_order'' p2 p3 -> perm_order'' p1 p3.