“…But different from IFS, the value range of membership degree of the BFS is [−1, 1]. BFSs have been applied to logical reasoning and set theory [26], [27], Chinese medicine [28], [29], bipolar cognitive mapping [30], [31], computational psychiatry [32], [33], decision analysis and organizational modeling [34], [35], quantum computing [36] and [37], bio-systems regulation [28], [38], [39] and some other domains [36], [40]- [44]. Gul [45] proposed the bipolar fuzzy weighted and geometric aggregation operators.…”