[NTG-context] math symbol for "is an element of"
Sylvain Hubert
champignoom at gmail.com
Fri Nov 6 18:40:50 CET 2020
If you happen to use ibus on a linux, there's a emoji/unicode picker
<https://mike-fabian.github.io/ibus-typing-booster/documentation.html#emoji-predictions>,
where you can type `<ctrl+shift+e>elem<space>` and pick one from the
candidates “∈∉∊⋲⋳⋴⋵⋶⋷⋸⋹⟒⫙” .
On Thu, 5 Nov 2020 at 21:25, <type at projectivespace.com> wrote:
> A quick question for the ConTeXt mailing list:
>
> Other than typing it directly (or cutting and pasting it), how does one get
> the character ∈ (in case this gets garbled in emailing, this is supposed to
> be the mathematical symbol that looks more or less like an epsilon, and
> which is the mathematical symbol for "is an element of" a set).
>
> \showmathfontcharacters gives the following information about it:
>
> U+02208: ∈ ∈ element of
> width: 524262, height: 426798, depth: 33798, italic: 0
> mathclass: relation, mathname: in
>
> I'm not completely sure how to read this information, but if I read it
> correctly, perhaps this character should be gotten with \in. Also, the
> Basic
> Math page of the Wiki (https://wiki.contextgarden.net/Math/basic) states
> that you should be able to type this character with "\in". But that doesn't
> work (even inside a formula), since \in is used for references in ConTeXt.
> And in fact the link on the Basic Math page for \in takes you to the
> explanation of \in as used for ConTeXt references.
>
> This is a very common character in mathematics, so I wanted to ask: what is
> the recommended way to type this character? (I'm hoping to avoid having to
> cut and paste the character into the document every time I want to use it.
> And I don't have a utf enabled keyboard that would allow me to type this
> symbol readily from the keyboard.)
>
> Thanks in advance,
>
>
> Sciurus
>
>
>
>
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