Use de morgan's laws to write the negation of the statement: this computer program has a logical error in the first ten lines or it is being run with an incomplete data set.

Johnny rode his bike to a friends house 4 blocks down the street in his neighborhood. he immediately rode back home once he realized his friend was unable to play. what was his displacement for the total bike ride trip? what could you use as a reference point ? show the steps to solve this problem.