TeX Users Group on X: "From #CTANL Richard Zach submitted an update to the fitch package. Version number: 1.0 2023-12-17 License type: lppl1.3 Summary description: LaTeX macros for Fitch-style natural deduction https://t.co/KYFvekZuDr #
A natural deduction tree as seen on the webpage (cropped screenshot). | Download Scientific Diagram
Natural Deduction and Fitch Notation Crash Course | Bytes of Faith