===== Statistical internal energy ===
==== Set ====
| @#55CCEE: context     | @#55CCEE: $ \langle \mathcal M, H,\pi,\pi_0,{\hat\rho},{\hat\rho}_0\rangle$ ... classical statistical ensemble |
| @#FFBB00: definiendum | @#FFBB00: $U\equiv\langle H\rangle$ |

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=== Discussion ===

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=== Context ===
[[Classical ensemble expectation value]]