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Step * of Lemma free-dma-neg

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∀[T,eq,x:Top].  (¬(x) ~ ¬(x))
BY
{ (RepUR ``free-DeMorgan-algebra mk-DeMorgan-algebra dma-neg`` 0 THEN Auto) }

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Latex:

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Latex:
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\mforall{}[T,eq,x:Top].    (\mneg{}(x)  \msim{}  \mneg{}(x))


By

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Latex:
(RepUR  ``free-DeMorgan-algebra  mk-DeMorgan-algebra  dma-neg``  0  THEN  Auto)

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