var mk_monomial(unsigned sz, power const * pws) override { return m_ctx.mk_monomial(sz, pws); }
virtual var mk_monomial(unsigned sz, power const * pws) { return m_ctx.mk_monomial(sz, pws); }
var mk_monomial(unsigned sz, power const * pws) override { return m_ctx.mk_monomial(sz, pws); }
virtual var mk_monomial(unsigned sz, power const * pws) { return m_ctx.mk_monomial(sz, pws); }