Created
November 20, 2015 22:40
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| 1. AND | |
| 2. OR | |
| 3. Parity of three bits | |
| inv(x) = nand(x,x) | |
| and(x,y) = inv(nand(x,y)) | |
| or(x,y) = nand(inv(x), inv(y)) | |
| xor(x,y) = or(x & inv(y), y & inv(x)) = inv(nand(x&inv(y), y&inv(x))) = inv(nand(nand(x, inv(y)), nand(y, inv(x)))) | |
| xnor(x,y) = nand(nand(x, inv(y)), nand(y, inv(x))) | |
| par(x,y,z) = or(and(inv(x), xnor(y,z)), and(x, xor(y,z,))) | |
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I gueess the parity bit could just be xor(x,xor(y,z)) too.