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A page with diagrams representing separation axioms T0-T4 as lifting properties, to be included into the separation axioms.
Anonymous
As far as I know it is not currently possible to arrange TikZ
-diagrams next to each other inside nLab entries.
But an easy hack might be to group tikzcd
-diagrams inside a tikzpicture
-environment. Let me try that out in the Sandbox…
Okay, I checked and it does not currently work here to have tikzcd
-environments inside tikzpicture
-environments. But the error message suggests that the only reason is that the tikzcd-package isn’t being loaded when TikZ
is called via tikzpicture
. If that’s the case, Richard would be able to easily change this. I’ll drop a note on this in the thread “bugs and feature requests”: here.
I see. Okay, I have edited the entry a little, to make it work well as an !include
-page:
added a section header and inside it Proposition-environments for various claims,
expanded out the lead-in text a little to make it more inviting,
gave each of the diagrams a brief text saying what it’s about, with a pointer to the corresponding separation axiom.
Now to include this as a Properties-section in the relevant entries, to add the following line at the desired spot
[[!include main separation axioms -- as lifting properties]]
Now I have !include
-ed the section as a Properties-subsection into the relevant entries
(e.g. at Hausdorff space, see the announcement here).
Except for the case of T1, as that is currently redirecting just to separation axiom. It might be good to remove that redirect and instead make T1-space a page.
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