Using Metric Distance Ranking Method to Find Intuitionistic Fuzzy Critical Path

Table 2

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

Activity ()	Duration
1-2	(12, 14, 16, 18)	(0, 0, 0, 0)	(−1, 18, 35, 58)	(−38, −12, 12, 38)
1-3	(4, 10, 14, 18)	(0, 0, 0, 0)	(−14, 9, 25, 46)	(−28, −2, 19, 44)
1-4	(8, 16, 20, 24)	(0, 0, 0, 0)	(−20, 8, 28, 52)	(−17, 5, 25, 45)
2-6	(5, 10, 15, 20)	(12, 14, 16, 18)	(19, 33, 45, 63)	(−38, −12, 12, 38)
3-5	(12, 13, 15, 18)	(4, 10, 14, 18)	(4, 24, 38, 58)	(−28, −2, 19, 44)
4-5	(6, 10, 16, 24)	(8, 16, 20, 24)	(4, 24, 38, 58)	(−38, −12, 12, 38)
4-6	(13, 15, 17, 20)	(8, 16, 20, 24)	(19, 33, 45, 63)	(−25, −4, 14, 42)
5-6	(5, 7, 9, 15)	(14, 26, 36, 48)	(19, 33, 45, 63)	(−44, −12, 12, 44)