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base implementation for cardinality constraints

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
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Nikolaj Bjorner 2025-10-26 10:35:37 +01:00
parent 4068460a0f
commit f8b2268424
8 changed files with 552 additions and 15 deletions
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2
src/ast/ast.h
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@ -2328,7 +2328,7 @@ public:
unsigned get_num_parents(proof const * p) const {
SASSERT(is_proof(p));
unsigned n = p->get_num_args();
return !has_fact(p) ? n : n - 1;
return p->get_decl()->get_decl_kind() == PR_TH_LEMMA ? n - 2 : !has_fact(p) ? n : n - 1;
}
proof * get_parent(proof const * p, unsigned idx) const { SASSERT(is_proof(p)); return to_app(p->get_arg(idx)); }
proof * mk_true_proof();