![[Untitled 2023-03-15 08.17.25.excalidraw]] Szachownica w siatce to XOR |00|01|11|10| |-|-|-|-| |1|0|0|0| |0|1|0|0| |0|0|0|0| |0|0|0|0| $\bar{a}\bar{c}\overline{(b\oplus d)}$ |00|01|11|10| |-|-|-|-| |1|0|0|0| |0|1|0|0| |0|0|1|0| |0|0|0|1| $\overline{(a\oplus c)}\cdot \overline{(b \oplus d)}$