Using Metric Distance Ranking Method to Find Intuitionistic Fuzzy Critical Path

Table 3

Total slack (Atanassov) intuitionistic fuzzy time for each activity in an (Atanassov) intuitionistic fuzzy project network and critical path for nonmembership function.

Activity ()	Duration
1-2	(10, 15, 16, 18)	(10, 15, 16, 18)	(−22, −7, 7, 22)	(−30, −8, 8, 30)
1-3	(6, 10, 12, 14)	(6, 10, 12, 14)	(−22, −7, 7, 22)	(−30, −9, 9, 30)
1-4	(9, 13, 15, 17)	(9, 13, 15, 17)	(−22, −7, 7, 22)	(−30, −9, 9, 30)
2-6	(12, 14, 15, 17)	(16, 25, 32, 38)	(−1, 10, 18, 26)	(−27, −8, 8, 27)
3-5	(16, 18, 20, 22)	(10, 15, 20, 24)	(−20, −7, 4, 16)	(−28, −1, 9, 28)
4-5	(1, 2, 5, 7)	(10, 15, 20, 24)	(−5, 8, 20, 31)	(−28, −10, 10, 28)
4-6	(11, 15, 18, 19)	(16, 25, 32, 38)	(−5, 8, 20, 31)	(−34, −13, 9, 32)
5-6	(6, 10, 12, 14)	(16, 25, 32, 38)	(2, 13, 22, 32)	(−30, −9, 9, 30)