​ 
    Consider these cases:–
    (1) Someone asks “How did you estimate the height of this
    building?” I answer: “It has four storeys; I suppose
    each storey is about fifteen feet high; so it must be about
    sixty feet.”
    (2) In another case: “I roughly know what a yard at that
    distance looks like; so it must be about four yards long.”
    (3) Or again: “I can imagine a tall man reaching to about
    this point; so it must be about six feet above the ground.”
    (4) Or: “I don't know; it just looks like a yard.”
 

(2015–) Wittgenstein Source Bergen Nachlass Edition (WS-BNE). Edited by the Wittgenstein Archives at the University of Bergen under the direction of Alois Pichler. In: Wittgenstein Source, curated by Alois Pichler (2009–) and Joseph Wang-Kathrein (2020–). (N) Bergen: WAB.



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