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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/smt_context.h
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@ -773,7 +773,12 @@ namespace smt {
void internalize_quantifier(quantifier * q, bool gate_ctx);
obj_hashtable<quantifier> m_lambdas, m_non_lambdas;
obj_map<enode, quantifier*> m_lambdas;
bool has_lambda();
bool is_beta_redex(enode* p, enode* n) const;
void internalize_lambda(quantifier * q);
void internalize_formula_core(app * n, bool gate_ctx);
@ -783,8 +788,6 @@ namespace smt {
friend class set_enode_flag_trail;
public:
void add_non_lambda(quantifier* q);
void set_enode_flag(bool_var v, bool is_new_var);