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Step * of Lemma decidable__equal_int_seg

∀i,j:ℤ. ∀x,y:{i..j-}.  Dec(x = y ∈ {i..j-})
BY
{ (((Unfold `decidable` 0 THEN RepD) THENA Auto) THEN Decide ⌜x = y ∈ ℤ⌝ THEN Auto) }

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Latex:

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Latex:
\mforall{}i,j:\mBbbZ{}.  \mforall{}x,y:\{i..j\msupminus{}\}.    Dec(x  =  y)


By

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Latex:
(((Unfold  `decidable`  0  THEN  RepD)  THENA  Auto)  THEN  Decide  \mkleeneopen{}x  =  y\mkleeneclose{}  THEN  Auto)

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