Formal Logical Operators in VSCode

setting.json

// Use with https://marketplace.visualstudio.com/items?itemName=siegebell.prettify-symbols-mode
{
    "prettifySymbolsMode.substitutions": [
        {
            "language": [
                "javascript",
                "typescript",
                "javascriptreact",
                "typescriptreact"
            ],
            "substitutions": [
                {
                    "ugly": "&&",
                    "pretty": "∧",
                },
                {
                    "ugly": "||",
                    "pretty": "∨",
                },
                {
                    "ugly": "!",
                    "pretty": "¬",
                },
            ]
        }
    ],
}