Re: math symbol for "is an element of"

["Hans Åberg" <haberg-1@telia.com>]

> On 5 Nov 2020, at 21:22, type@projectivespace.com wrote:
> 
> 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).
…
> 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.)

There is no recommended way. One can have it in the input sources. The quickest way to both design and use I have found is text substitutions [1]. For the mathematical styles, TeX and Unicode do it differently, and ConTeXt follows the former unless one uses a command, see [2].

1. https://mailman.ntg.nl/pipermail/ntg-context/2020/099278.html
2. https://mailman.ntg.nl/pipermail/ntg-context/2020/099880.html


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