fact: Definition adjusted_ps_add α {R : ring α} ps₁ ps₂ := {| ps_terms := series_add (ps_terms ps₁) (ps_terms ps₂); ps_ordnum := ps_ordnum ps₁; ps_polydo := ps_polydo ps₁ |}.
imports: Utf8 QArith NPeano NbarM Misc Field2 Power_series Puiseux_series