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    • CommentRowNumber1.
    • CommentAuthorUrs
    • CommentTimeOct 2nd 2009
    • CommentRowNumber2.
    • CommentAuthorUrs
    • CommentTimeOct 4th 2009

    reacted and replies to Zoran at Kock-Lawvere axiom.

    Can anyone help with the terminology issue on "Weil algebra" as "algebra of the form R + m with m a nilpotent ideal"? This seems to be standard terminology in the SDG literature.

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeNov 4th 2017
    • (edited Nov 4th 2017)

    (…years later…)

    Finally added pointer (here) to what seems to be the original article:

    • Anders Kock, A simple axiomatics for differentiation, Mathematica Scandinavica Vol. 40, No. 2 (October 24, 1977), pp. 183-193 (JSTOR)

    Added this also to derivative, partial derivative and differentiation.

    • CommentRowNumber4.
    • CommentAuthormaxsnew
    • CommentTimeApr 4th 2023

    Clarify that the statement of Kock-Lawvere can be formulated equivalently either in terms of isomorphisms of objects or internal algebras.

    diff, v13, current