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Step * of Lemma weighted-sum_wf2

∀[p:FinProbSpace]. ∀[F:Outcome ⟶ ℚ].  (weighted-sum(p;F) ∈ ℚ)
BY
{ (Unfolds ``finite-prob-space p-outcome`` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}[p:FinProbSpace].  \mforall{}[F:Outcome  {}\mrightarrow{}  \mBbbQ{}].    (weighted-sum(p;F)  \mmember{}  \mBbbQ{})


By

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Latex:
(Unfolds  ``finite-prob-space  p-outcome``  0  THEN  Auto)

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