Not signed in (Sign In)

Not signed in

Want to take part in these discussions? Sign in if you have an account, or apply for one below

  • Sign in using OpenID

Site Tag Cloud

2-category 2-category-theory abelian-categories adjoint algebra algebraic algebraic-geometry algebraic-topology analysis analytic-geometry arithmetic arithmetic-geometry book bundles calculus categorical categories category category-theory chern-weil-theory cohesion cohesive-homotopy-type-theory cohomology colimits combinatorics complex complex-geometry computable-mathematics computer-science constructive cosmology deformation-theory descent diagrams differential differential-cohomology differential-equations differential-geometry digraphs duality elliptic-cohomology enriched fibration foundation foundations functional-analysis functor gauge-theory gebra geometric-quantization geometry graph graphs gravity grothendieck group group-theory harmonic-analysis higher higher-algebra higher-category-theory higher-differential-geometry higher-geometry higher-lie-theory higher-topos-theory homological homological-algebra homotopy homotopy-theory homotopy-type-theory index-theory integration integration-theory k-theory lie-theory limits linear linear-algebra locale localization logic mathematics measure-theory modal modal-logic model model-category-theory monad monads monoidal monoidal-category-theory morphism motives motivic-cohomology nforum nlab noncommutative noncommutative-geometry number-theory of operads operator operator-algebra order-theory pages pasting philosophy physics pro-object probability probability-theory quantization quantum quantum-field quantum-field-theory quantum-mechanics quantum-physics quantum-theory question representation representation-theory riemannian-geometry scheme schemes set set-theory sheaf sheaves simplicial space spin-geometry stable-homotopy-theory stack string string-theory superalgebra supergeometry svg symplectic-geometry synthetic-differential-geometry terminology theory topology topos topos-theory tqft type type-theory universal variational-calculus

Vanilla 1.1.10 is a product of Lussumo. More Information: Documentation, Community Support.

Welcome to nForum
If you want to take part in these discussions either sign in now (if you have an account), apply for one now (if you don't).
    • CommentRowNumber1.
    • CommentAuthorTodd_Trimble
    • CommentTimeJun 29th 2013

    I’ve recently been seeing some formatting in nLab articles that looks a tad unusual to me, and thought I’d bring it up (and sorry to come off as criticizing here).

    In vanishing at infinity, the definitions look like this:

    Definition. The map f:XYf\colon X \to Y vanishes at infinity if:

    This looks unusual to me because ordinarily I see bullets used to itemize things (like a list of properties, or equivalent conditions) that are on a “grammatical” par, so to speak. Here what we have are bullets that are used to separate premises from conclusions. The other day, when I saw this, I was actively confused by this, and made a change (it was mainly to correct an actual mathematical mistake).

    I think I understand the appeal of creating line breaks to separate premise from conclusion, but using bullets and indented bullets for this purpose strikes me as strange. Maybe it’s just me. A more traditional bulletless rendering without line breaks, at the opposite typographical end, might be

    Definition. The map f:XYf\colon X \to Y vanishes at infinity if for every neighbourhood NN of the basepoint in YY, there is a compact subspace KK of XX such that f(x)f(x) belongs to NN whenever xx lies in the exterior of KK in XX.

    and there is plenty of room in between these two approaches that one could experiment with.

    Just want to know what people think. By no means do I wish to be insistent.

    • CommentRowNumber2.
    • CommentAuthorMike Shulman
    • CommentTimeJun 30th 2013

    I agree with you. I like your traditional way better.

    • CommentRowNumber3.
    • CommentAuthorUrs
    • CommentTimeJun 30th 2013

    Feel free to change it!

    • CommentRowNumber4.
    • CommentAuthorTobyBartels
    • CommentTimeJul 1st 2013

    One could also indent each of these four lines one tab farther than the last, to show the appearance of the quantifiers. I agree that the current version reads oddly.