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Step * of Lemma inr_equal

∀[A,B:Type]. ∀[x,y:B].  uiff((inr x ) = (inr y ) ∈ (A + B);x = y ∈ B)
BY
{ Auto }

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Latex:

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Latex:
\mforall{}[A,B:Type].  \mforall{}[x,y:B].    uiff((inr  x  )  =  (inr  y  );x  =  y)


By

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Latex:
Auto

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