Mathematicians: variables are named using Latin, Greek, Fraktur, Hebrew and Linear B letters in bold, italic, script, sans-serif and serif forms.

Also mathematicians: I need some brackets. Guess I'll use good ol' parentheses again! 😎

https://whystartat.xyz/wiki/Parentheses_are_overused

@christianp Another kind of bracket is the \( [\![\cdot ]\!] \) notation used for a valuation in logic. In non-distributive modal logic we also have \( (\![{\cdot}]\!) \) 😅

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