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Step * 1 of Lemma radd-rminus


1. x : ℝ
⊢ bdd-diff(λn.l_sum(map(λx.(x n);[x; -(x)]));r0)
BY
{ (RepUR ``int-to-real rminus bdd-diff`` 0
   THEN With ⌜0⌝ (D 0)⋅
   THEN Auto
   THEN (RW IntNormC 0 THENA Auto)
   THEN RepUR ``absval`` 0
   THEN Auto) }

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Latex:

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Latex:

1.  x  :  \mBbbR{}
\mvdash{}  bdd-diff(\mlambda{}n.l\_sum(map(\mlambda{}x.(x  n);[x;  -(x)]));r0)


By

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Latex:
(RepUR  ``int-to-real  rminus  bdd-diff``  0
  THEN  With  \mkleeneopen{}0\mkleeneclose{}  (D  0)\mcdot{}
  THEN  Auto
  THEN  (RW  IntNormC  0  THENA  Auto)
  THEN  RepUR  ``absval``  0
  THEN  Auto)

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