Table 2 Linguistic scale (Gumus 2009)

Very good (VG)

\(\tilde{9}\)

(7, 9, 9)

Good (Gd)

\(\tilde{7}\)

(5, 7, 9)

Preferable (P)

\(\tilde{5}\)

(3, 5, 7)

Weak advantage (WA)

\(\tilde{3}\)

(1, 3, 5)

Equal (EQ)

\(\tilde{1}\)

(1, 1, 1)

Less WA

\(\tilde{3}^{ - 1}\)

(1/5, 1/3, 1)

Less P

\(\tilde{5}^{ - 1}\)

(1/7, 1/5, 1/3)

Less G

\(\tilde{7}^{ - 1}\)

(1/9, 1/7, 1/5)

Less VG

\(\tilde{9}^{ - 1}\)

(1/9, 1/9, 1/7)