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Step * of Lemma unit_chars

∀a:ℤ. (a | 1 ⇐⇒ a ~ 1)
BY
{ (Unfold `assoced` 0 THEN Auto) }

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Latex:

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Latex:
\mforall{}a:\mBbbZ{}.  (a  |  1  \mLeftarrow{}{}\mRightarrow{}  a  \msim{}  1)


By

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Latex:
(Unfold  `assoced`  0  THEN  Auto)

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