Talk a 2 + b 2 = c 2 {\displaystyle a^{2}+b^{2}=c^{2}}
H ( x ) = E [ − log p ( x ) ] {\displaystyle H(x)=E[-\log p(x)]}
![{\displaystyle H(x)=E[-\log p(x)]}](https://wikimedia.org/api/rest_v1/media/math/render/svg/235153698a9871250978ea90a7fa97d9799807d3)