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Step * 1 1 1 1 of Lemma full-omega-unsat


1. x : Unit
2. inr Ax  ≤ inl x
3. True
4. ff ≤ tt
⊢ False
BY
{ (Assert ⌜¬(ff ≤ tt)⌝⋅ THEN Auto) }

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Latex:

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Latex:

1.  x  :  Unit
2.  inr  Ax    \mleq{}  inl  x
3.  True
4.  ff  \mleq{}  tt
\mvdash{}  False


By

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Latex:
(Assert  \mkleeneopen{}\mneg{}(ff  \mleq{}  tt)\mkleeneclose{}\mcdot{}  THEN  Auto)

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