Step
*
of Lemma
es-interface-sum_wf
∀[Info:Type]. ∀[es:EO+(Info)]. ∀[X:EClass(ℤ)]. ∀[e:E]. (Σ≤e(X) ∈ ℤ)
BY
{ (Unfold `es-interface-sum` 0 THEN Auto) }
Latex:
Latex:
\mforall{}[Info:Type]. \mforall{}[es:EO+(Info)]. \mforall{}[X:EClass(\mBbbZ{})]. \mforall{}[e:E]. (\mSigma{}\mleq{}e(X) \mmember{} \mBbbZ{})
By
Latex:
(Unfold `es-interface-sum` 0 THEN Auto)
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