This chapter focuses on the importance of keeping the grade language simple, with common and absolute meaning that could be understood by all judges passing judgment for the grades. Reinforcement of social grading function (SGF) with aggregation function f is described through a theorem along with natural generalization of unanimity property. The importance of language consistency for grading is discussed via order functions. Preservation of two aggregation comparisons under continuous transformation is presented, which helps maintain SGF’s significance. Final outcomes of grades need not change if the order is consistently preserved in transformation of one language to another language.
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