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Step * of Lemma squash_equal

∀[T:Type]. ∀[x,y:T].  uiff(↓x = y ∈ T;x = y ∈ T)
BY
{ Auto }

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Latex:

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Latex:
\mforall{}[T:Type].  \mforall{}[x,y:T].    uiff(\mdownarrow{}x  =  y;x  =  y)


By

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Latex:
Auto

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