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Step * of Lemma decidable__equal_nat_plus

∀x,y:ℕ+.  Dec(x = y ∈ ℕ+)
BY
{ (Auto THEN AssertBY ⌜Dec(x = y ∈ ℤ)⌝ Auto⋅ THEN Repeat (ParallelLast)) }

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Latex:

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Latex:
\mforall{}x,y:\mBbbN{}\msupplus{}.    Dec(x  =  y)


By

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Latex:
(Auto  THEN  AssertBY  \mkleeneopen{}Dec(x  =  y)\mkleeneclose{}  Auto\mcdot{}  THEN  Repeat  (ParallelLast))

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