1 votes 1 votes What is Pumping length? Why we consider pumping length of certain numbers? Can Pumping length be 0? Theory of Computation theory-of-computation finite-automata + – Reshu $ingh asked Jan 30, 2019 Reshu $ingh 275 views answer comment Share Follow See all 2 Comments See all 2 2 Comments reply aambazinga commented Jan 31, 2019 reply Follow Share Pumping length is the number of Myhill nyrode equivalence class, or you can say number of states in the minimal DFA. Can a DFA has 0 states? No. So pumping length also can't be 0. Even a language contains null consists of state. 2 votes 2 votes Reshu $ingh commented Feb 7, 2019 reply Follow Share Ok got it. Thanks @aambazinga 0 votes 0 votes Please log in or register to add a comment.