Ranking function of two LR-fuzzy numbers

In this paper, we consider the following problems: 1. “Let A is a fuzzy number and x a real number. Then, what do we say about whether x is greater smaller than or equal to A?”. 2. “Let A and $\tilde{B}$ are two fuzzy numbers. Then, what do we say about whether $\tilde{B}$ is greater smaller than or equal to A?”.

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