Revision history of "Boolean identity" (Z10215)
Aliwang pamamili: markan la reng radio box da reng bersion a pikumpara at timid me ing enter o ing boton king lalam.
Kabaldugan: (ngeni)=pamiyaliwa king salukuyan a bersion (bersion ngeni),
(tauli)=pamiyaliwa ketang sadyang (tauling) bersion, M = malating edit.