I am new to LaTeX. I only know of the mathbb package since that one is ubiquitous. I am trying to replicate this typeface here. Can someone please tell me what package to use for this? And from where I can learn about the packages other than mathbb and what style of font they result in?
texdoc symbolswhich will show a large collection of symbols and fonts set up for latex – David Carlisle Dec 17 '23 at 14:06\mathcal{R}, you don't need a package to use this command. – Marijn Dec 17 '23 at 14:12