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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

1. • CommentRowNumber1.
   • CommentAuthorTodd_Trimble
   • CommentTimeMay 17th 2014
   • (edited May 17th 2014)
   • PermaLink
   Author: Todd_Trimble
   Format: MarkdownItexnever mind? I thought I saw this phrase pop up in various odd places as a footnote, without any explanation, but just now I can't seem to reproduce an example. Has anyone else seen this?

   never mind?

   I thought I saw this phrase pop up in various odd places as a footnote, without any explanation, but just now I can’t seem to reproduce an example. Has anyone else seen this?

2. • CommentRowNumber2.
   • CommentAuthorUrs
   • CommentTimeMay 17th 2014
   • (edited May 17th 2014)
   • PermaLink
   Author: Urs
   Format: MarkdownItexYou are probably thinking of the recent thread _[Superscript numeral linking to footnote not shown when page is included in another page](http://nforum.mathforge.org/discussion/5948/superscript-numeral-linking-to-footnote-not-shown-when-page-is-included-in-another-page/?Focus=47128#Comment_47128)_. Discussion of the issue is also at _[substitution -- Categorical semantics](http://ncatlab.org/nlab/show/substitution#CategoricalSemantics)_. My comment was/is: the phrase "substitution is pullback" should not point to an external source but to an nLab page, which itself should then point to relevant external sources in its References-section. The canonical page to point to would seem to be _[[substitution]]_.

   You are probably thinking of the recent thread Superscript numeral linking to footnote not shown when page is included in another page.

   Discussion of the issue is also at substitution – Categorical semantics.

   My comment was/is: the phrase “substitution is pullback” should not point to an external source but to an nLab page, which itself should then point to relevant external sources in its References-section.

   The canonical page to point to would seem to be substitution.

3. • CommentRowNumber3.
   • CommentAuthorTodd_Trimble
   • CommentTimeMay 17th 2014
   • PermaLink
   Author: Todd_Trimble
   Format: MarkdownItexThanks, but I wasn't thinking of any nForum thread. What I'm doing in #1 is reporting what seems to be a bug on nLab pages. Has anyone else noticed this bug?

   Thanks, but I wasn’t thinking of any nForum thread. What I’m doing in #1 is reporting what seems to be a bug on nLab pages. Has anyone else noticed this bug?

4. • CommentRowNumber4.
   • CommentAuthorUrs
   • CommentTimeMay 17th 2014
   • PermaLink
   Author: Urs
   Format: MarkdownItexI think it has been removed. In that thread I pointed to I think we see that bug first being introduced and then removed.

   I think it has been removed. In that thread I pointed to I think we see that bug first being introduced and then removed.

5. • CommentRowNumber5.
   • CommentAuthorTodd_Trimble
   • CommentTimeMay 17th 2014
   • PermaLink
   Author: Todd_Trimble
   Format: MarkdownItexIf I see it again, I'll report it again. Based on the evidence of my own eyes, I don't think the bug was completely eradicated.

   If I see it again, I’ll report it again. Based on the evidence of my own eyes, I don’t think the bug was completely eradicated.

6. • CommentRowNumber6.
   • CommentAuthorUrs
   • CommentTimeMay 17th 2014
   • (edited May 17th 2014)
   • PermaLink
   Author: Urs
   Format: MarkdownItexWell, I removed it just a few minutes back. Please check again.

   Well, I removed it just a few minutes back. Please check again.