https://github.com/EasyCrypt/easycrypt
Tip revision: c22ac631548c8ca619c858a2eb151b5bca14d6f5 authored by Benjamin Gregoire on 10 February 2020, 09:30:24 UTC
more lemmas on div
more lemmas on div
Tip revision: c22ac63
ecPhlTAuto.ml
(* --------------------------------------------------------------------
* Copyright (c) - 2012--2016 - IMDEA Software Institute
* Copyright (c) - 2012--2018 - Inria
* Copyright (c) - 2012--2018 - Ecole Polytechnique
*
* Distributed under the terms of the CeCILL-C-V1 license
* -------------------------------------------------------------------- *)
(* -------------------------------------------------------------------- *)
open EcFol
open EcCoreGoal
open EcLowPhlGoal
(* -------------------------------------------------------------------- *)
let t_hoare_true_r tc =
match (FApi.tc1_goal tc).f_node with
| FhoareF hf when f_equal hf.hf_po f_true ->
FApi.xmutate1 tc `HoareTrue []
| FhoareS hs when f_equal hs.hs_po f_true ->
FApi.xmutate1 tc `HoareTrue []
| _ ->
tc_error !!tc
"the conclusion is not of the form %s"
"hoare[_ : _ ==> true]"
let t_hoare_true = FApi.t_low0 "hoare-true" t_hoare_true_r
(* -------------------------------------------------------------------- *)
let t_core_exfalso_r tc =
let pre = tc1_get_pre tc in
if not (f_equal pre f_false) then
tc_error !!tc "pre-condition is not `false'";
FApi.xmutate1 tc `ExFalso []
let t_core_exfalso = FApi.t_low0 "core-exfalso" t_core_exfalso_r