Six short, click-through lessons on the true/false rules under every program.
AND, OR, NOT, and XOR — the four basics.
start →Every possible input, and what it evaluates to.
start →Flipping a negated AND/OR into an equivalent form.
start →Boolean logic, built from tiny physical circuits.
start →Why the second half of a condition sometimes never runs.
start →If/else chains are just logic deciding a path.
start →