[FOM] LaTeX code for "truth value of ..."

Stanislav Speranski katze.tail at gmail.com
Fri Dec 23 00:58:43 EST 2016

Dear Robert (if I may),

I think that the simplest way do to that is the following. First we add the


Then to obtain [[ Phi ]] we can simply write $\llbracket \Phi \rrbracket$.

Best regards,
Stanislav O. Speranski

On 23 December 2016 at 01:38, Robert Lubarsky <Lubarsky.Robert at comcast.net>

> In forcing and related areas, often the symbol which is like |[ - ]|
> (don’t know how else to type it) is used for the truth value, as in |[ phi
> ]| meaning the truth value of phi as a member of the Boolean value used in
> the forcing (or the truth value as a member of a Heyting algebra, for
> Heyting-valued models, and so on). What is the latex code for that symbol?
> Bob Lubarsky
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