math & informatics teacher
function f(x, y, z, w) {
return !!x && ((!!y && !!z) || (!!z && !!w) || (!!y && !w));
}
function solve() {
const result = [];
for (let x of [0, 1]) {
for (let y of [0, 1]) {
for (let z of [0, 1]) {
for (let w of [0, 1]) {
if (f(x, y, z, w)) {
result.push([+x, +y, +z, +w]);
}
}
}
}
}
return result;
}
solve(f)
Purpose-built for displays of data
Observable is your go-to platform for exploring data and creating expressive data visualizations. Use reactive JavaScript notebooks for prototyping and a collaborative canvas for visual data exploration and dashboard creation.
