If a heuristic is an 'aid to some end' then there is some connection between our proceedings and language or theory. The connection is not neutral: we use arguments from linguistics (etc) because we have hopes, desires, expectations, psychological attitudes about proceeding in one way rather than another.
-> Heuristic 155, 157;
& Conversational matrix 118; Heuristic 153; Understanding 373;
155 | 156 | 157