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Step * of Lemma classical-and

∀[A,B:ℙ].  uiff({A} ∧ {B};{A ∧ B})
BY
{ (Auto THEN ExposeClassical THEN Auto THEN ElimClassical THEN Auto) }

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Latex:

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Latex:
\mforall{}[A,B:\mBbbP{}].    uiff(\{A\}  \mwedge{}  \{B\};\{A  \mwedge{}  B\})


By

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Latex:
(Auto  THEN  ExposeClassical  THEN  Auto  THEN  ElimClassical  THEN  Auto)

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