Instructions and Opinions: The Use of Fuzzy Subjectivity

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Abstract
Architects receive and give instructions and are involved with opinions. Instructions and opinions are seldom treated objectively and yet clear communication is professionally essential. One application of fuzzy set theory is to provide a quantitative interpretation of verbally expressed, subjective statements which are meaningful and yet not always clearly defined. The fuzzy calculus leads to a better understanding of the statements without the loss of vagueness and imprecision which distinguish subjectivity from sharp objectivity. In this paper instructions involve fuzzy unions and intersects; opinions require the introduction of fuzzy relations and compositions to transform verbal statements into quantitative expressions.

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