val is_unit: Prims.unit -> Lemma (S.is_unit emp equiv star)
let is_unit ()
  : Lemma (S.is_unit emp equiv star)
  = let aux (y:slprop)
      : Lemma (star emp y `equiv` y /\ star y emp `equiv` y)
      = emp_unit y; star_commutative emp y
    in
    Classical.forall_intro aux
val is_unit: Prims.unit -> Lemma (S.is_unit emp equiv star)
let is_unit () : Lemma (S.is_unit emp equiv star) =
let aux (y: slprop) : Lemma ((star emp y) `equiv` y /\ (star y emp) `equiv` y) =
  emp_unit y;
  star_commutative emp y
in
Classical.forall_intro aux
Steel.Semantics.Instantiate.fst.checked
Steel.Semantics.Hoare.MST.fst.checked Steel.Memory.fsti.checked prims.fst.checked FStar.Pervasives.fsti.checked FStar.Classical.fsti.checked
Steel.Semantics.Instantiate.fst
Prims.unit FStar.Classical.forall_intro Steel.Memory.slprop Prims.l_and Steel.Memory.equiv Steel.Memory.star Steel.Memory.emp Prims.l_True Prims.squash Prims.Nil FStar.Pervasives.pattern Steel.Memory.star_commutative Steel.Memory.emp_unit Steel.Semantics.Hoare.MST.is_unit
(*
   Copyright 2020 Microsoft Research

   Licensed under the Apache License, Version 2.0 (the "License");
   you may not use this file except in compliance with the License.
   You may obtain a copy of the License at

       http://www.apache.org/licenses/LICENSE-2.0

   Unless required by applicable law or agreed to in writing, software
   distributed under the License is distributed on an "AS IS" BASIS,
   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   See the License for the specific language governing permissions and
   limitations under the License.
*)

module Steel.Semantics.Instantiate
open Steel.Memory
module S = Steel.Semantics.Hoare.MST

let is_unit ()
val is_unit: Prims.unit -> Lemma (S.is_unit emp equiv star)
_: Prims.unit
  -> FStar.Pervasives.Lemma
    (ensures Steel.Semantics.Hoare.MST.is_unit Steel.Memory.emp Steel.Memory.equiv Steel.Memory.star
    )