Index[SYMBOL] [A] [B] [C] [D] [E] [F] [G] [H] [I] [J] [K] [L] [M] [N] [O] [P] [Q] [R] [S] [T] [U] [V] [W] [X] hardware reliability versus software reliability 2nd Hazard Identification and Analysis hazard identification and analysis high scores restricting high-level planning transition to low-level planning 2nd 3rd 4th historical data estimating effort using history of preconditions and postconditions 2nd |