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Step * of Lemma log-contraction_wf

∀[a,x:ℝ].  log-contraction(a;x) ∈ ℝ supposing r0 < a
BY
{ ProveWfLemma }

1
1. a : ℝ
2. x : ℝ
3. r0 < a
⊢ a + e^x ≠ r0

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Latex:

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Latex:
\mforall{}[a,x:\mBbbR{}].    log-contraction(a;x)  \mmember{}  \mBbbR{}  supposing  r0  <  a


By

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Latex:
ProveWfLemma

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