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Step * 1 1 of Lemma evodd-enum-surjection

.....antecedent..... 
∃a:ℕ. (evodd-enum(a) = <tt, evodd-zero()> ∈ (b:𝔹 × (pw-evenodd() b)))
BY
{ (With ⌜0⌝ (D 0)⋅ THEN Auto) }

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Latex:

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Latex:
.....antecedent..... 
\mexists{}a:\mBbbN{}.  (evodd-enum(a)  =  <tt,  evodd-zero()>)


By

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Latex:
(With  \mkleeneopen{}0\mkleeneclose{}  (D  0)\mcdot{}  THEN  Auto)

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