1. Alonso JM (2019) From Zadeh’s computing with words towards eXplainable artificial intelligence. In: Fullér R, Giove S, Masulli F (eds) Fuzzy logic and applications. Springer, Cham, pp 244–248
2. Alonso JM, Castiello C, Mencar C (2018) A Bibliometric analysis of the explainable artificial intelligence research field. In: Medina J, Ojeda-Aciego M, Verdegay JL, Pelta DA, Cabrera IP, Bouchon-Meunier B, Yager RR (eds) Information processing and management of uncertainty in knowledge-based systems. Theory and foundations (Part I). Springer, Cham, pp 3–15
3. Belohlavek R, Klir GJ, Lewis III HW, Way EC (2009) Concepts and fuzzy sets: misunderstandings, misconceptions, and oversights. Int J Approx Reason 51(1):23–34
4. Brouwer LEJ (1949) Consciousness, philosophy and mathematics. In: Beth EW, Pos HJ, Hollak JHA (eds) Proceedings of the tenth international congress of philosophy. North-Holland Publishing Company, Amsterdam, pp 1235–1249
5. Dubois D (2011) Have fuzzy sets anything to do with vagueness? In: Cintula P, Fermüller CG, Godo L, Hájek P (eds) Understanding vagueness. Logical, philosophical and linguistic perspectives (Studies in logic). College Publications, London, pp 311–333