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cave in to supporting proofs (partially) in simplifiers, updated doc

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This commit is contained in:
Nikolaj Bjorner 2022-12-06 17:02:04 -08:00
parent aaabbfb594
commit 80033e8744
36 changed files with 157 additions and 108 deletions
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15
src/tactic/core/injectivity_tactic.cpp
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@ -5,19 +5,11 @@ Module Name:
injectivity_tactic.cpp
Abstract:
Injectivity tactics
- Discover axioms of the form `forall x. (= (g (f x)) x`
Mark `f` as injective
- Rewrite (sub)terms of the form `(= (f x) (f y))` to `(= x y)` whenever `f` is injective.
Author:
Nicolas Braud-Santoni (t-nibrau) 2017-08-10
Notes:
--*/
#include <algorithm>
#include <utility>
@ -164,8 +156,6 @@ class injectivity_tactic : public tactic {
struct rewriter_eq_cfg : public default_rewriter_cfg {
ast_manager & m_manager;
InjHelper & inj_map;
// expr_ref_vector m_out;
// sort_ref_vector m_bindings;
ast_manager & m() const { return m_manager; }
@ -176,14 +166,13 @@ class injectivity_tactic : public tactic {
}
void cleanup_buffers() {
// m_out.finalize();
}
void reset() {
}
br_status reduce_app(func_decl * f, unsigned num, expr * const * args, expr_ref & result, proof_ref & result_pr) {
if(num != 2)
if (num != 2)
return BR_FAILED;
if (!m().is_eq(f))
@ -230,8 +219,6 @@ class injectivity_tactic : public tactic {
finder * m_finder;
rewriter_eq * m_eq;
InjHelper * m_map;
// rewriter_inverse * m_inverse;
params_ref m_params;
ast_manager & m_manager;