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Merge remote-tracking branch 'upstream/master' into lackr

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Mikolas Janota 2016-02-08 12:54:22 +00:00
commit b614e7732b
26 changed files with 785 additions and 615 deletions
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11
src/tactic/core/solve_eqs_tactic.cpp
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@ -106,9 +106,14 @@ class solve_eqs_tactic : public tactic {
}
}
bool trivial_solve(expr * lhs, expr * rhs, app_ref & var, expr_ref & def, proof_ref & pr) {
return
trivial_solve1(lhs, rhs, var, def, pr) ||
trivial_solve1(rhs, lhs, var, def, pr);
if (trivial_solve1(lhs, rhs, var, def, pr)) return true;
if (trivial_solve1(rhs, lhs, var, def, pr)) {
if (m_produce_proofs) {
pr = m().mk_commutativity(m().mk_eq(lhs, rhs));
}
return true;
}
return false;
}
// (ite c (= x t1) (= x t2)) --> (= x (ite c t1 t2))