Table 5 Initial Evaluations

From: Pythagorean fuzzy N-bipolar soft sets-based multi-criteria decision-making framework for sustainability evaluation and risk assessment in manufacturing industries

\({\mathcal {L}} \setminus \rho\)

\(\varepsilon _1\)

\(\varepsilon _2\)

\(\varepsilon _3\)

\(\varepsilon _4\)

\(\ell _1\)

\(\begin{array}{l} \star \star \star \\ \star \end{array}\)

\(\begin{array}{l} \star \\ \star \star \end{array}\)

\(\begin{array}{l} \star \star \\ \star \star \end{array}\)

\(\begin{array}{l} \star \star \\ \star \end{array}\)

\(\ell _2\)

\(\begin{array}{l} \star \star \star \\ \star \end{array}\)

\(\begin{array}{l} \circ \\ \star \star \star \star \end{array}\)

\(\begin{array}{l} \star \\ \star \star \star \end{array}\)

\(\begin{array}{l} \star \star \\ \star \end{array}\)

\(\ell _3\)

\(\begin{array}{l} \star \\ \star \star \star \end{array}\)

\(\begin{array}{l} \star \\ \star \star \end{array}\)

\(\begin{array}{l} \star \star \\ \star \star \end{array}\)

\(\begin{array}{l} \star \star \star \\ \star \end{array}\)