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fix #4090 fix #4088 fix #4085

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Signed-off-by: Nikolaj Bjorner <nbjorner@microsoft.com>
This commit is contained in:
Nikolaj Bjorner 2020-04-24 10:37:43 -07:00
parent 470e87afe9
commit c3b33aae8a
3 changed files with 9 additions and 9 deletions
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3
src/ast/normal_forms/nnf.cpp
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@ -697,8 +697,7 @@ struct nnf::imp {
else {
r = arg;
if (proofs_enabled()) {
proof * p1 = m.mk_iff_oeq(m.mk_rewrite(t, t->get_arg(0)));
pr = m.mk_transitivity(p1, arg_pr);
pr = mk_proof(fr.m_pol, 1, &arg_pr, t, to_app(r));
}
}