1 votes 1 votes Let f:[a,b]→R and P is a set of all partitions of [a,b]. Then for any P1∈P, L(f,P1) is a lower bound of the set {U(f,P):p∈P}. True False mathematics asked Sep 22, 2017 mathematics 114 views answer comment Share Follow See all 0 reply Please log in or register to add a comment.