<math> H(\tilde{Y}_t|\tilde{X}_{t+1}) \le -\iint \tilde{p}(\boldsymbol{y}_t, \boldsymbol{x}_{t+1})\ln g(\boldsymbol{y}_t|\boldsymbol{x}_{t+1}) \mathrm{d}\boldsymbol{y}_t \mathrm{d}\boldsymbol{x}_{t+1} = -\iint \tilde{p}(\boldsymbol{y}_{t})\tilde{p}(\boldsymbol{x}_{t+1}|\boldsymbol{y}_t)\ln g(\boldsymbol{y}_t|\boldsymbol{x}_{t+1}) \mathrm{d}\boldsymbol{y}_t \mathrm{d}\boldsymbol{x}_{t+1}</math> | <math> H(\tilde{Y}_t|\tilde{X}_{t+1}) \le -\iint \tilde{p}(\boldsymbol{y}_t, \boldsymbol{x}_{t+1})\ln g(\boldsymbol{y}_t|\boldsymbol{x}_{t+1}) \mathrm{d}\boldsymbol{y}_t \mathrm{d}\boldsymbol{x}_{t+1} = -\iint \tilde{p}(\boldsymbol{y}_{t})\tilde{p}(\boldsymbol{x}_{t+1}|\boldsymbol{y}_t)\ln g(\boldsymbol{y}_t|\boldsymbol{x}_{t+1}) \mathrm{d}\boldsymbol{y}_t \mathrm{d}\boldsymbol{x}_{t+1}</math> |