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introduce notion of beta redex to deal with lambdas in non-extensional positions

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2022-06-10 17:35:01 -07:00
parent b9b5377c69
commit 8efa3c8ade
10 changed files with 65 additions and 51 deletions
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9
src/smt/theory_array_base.cpp
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@ -473,6 +473,15 @@ namespace smt {
return false;
}
bool theory_array_base::is_beta_redex(enode* p, enode* n) const {
if (is_select(p))
return p->get_arg(0)->get_root() == n->get_root();
if (is_map(p))
return true;
return false;
}
bool theory_array_base::is_select_arg(enode* r) {
for (enode* n : r->get_parents())
if (is_select(n))