Table 3 Overall results.

Zadeh⁹

Cannot handle

No result

Dubois and Prade²⁷ method

Cannot handle

No result

Ramot et al.¹⁸ method

Cannot handle

No result

Tamir et al.¹⁹ method

Cannot handle

No result

CFRFWA aggregation operators (proposed)

CFRFWG aggregation operators (proposed)

\(Scor.\left({\hat{C} }_{om.-1}\right)=0.2300, \,\) \(Scor.\left({\hat{C} }_{om.-2}\right)=0.2047,\,\)

\(Scor.\left({\hat{C} }_{om.-3}\right)=0.3145, \,\) \(Scor.\left({\hat{C} }_{om.-4}\right)=0.3555\)

\({\mathfrak{G}}_{ter.-4}> {\mathfrak{G}}_{ter.-3}>{\mathfrak{G}}_{ter.-1}>{\mathfrak{G}}_{ter.-2}\)