We assume that everyone knows enough to have a suitable definition of logic, contradiction and non-contradiction, event, process, "in", object, collection, time, sequence, matter, energy, spirit, cause, affected by, and affects.
Tunadhani kuwa kila mtu anaufahamu wa kutosha kuweza kuwa na maana inayofaa ya mantiki, kupingana na kutopingana, tukio, mchakato, "ndani ya", kitu, mkusanyiko, muda, mada, nishati, roho, chanzo, kilichosababishwa na, na matokeo.