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Step * 1 2 of Lemma bnot-wf-partial


1. b : partial(Base)
2. is-exception(case b of inl() => ff | inr() => tt)
3. is-exception(b)
⊢ ↓False
BY
{ TACTIC:(InstLemma `partial-not-exception` [⌜Base⌝;⌜b⌝]⋅ THEN Auto) }

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Latex:

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Latex:

1.  b  :  partial(Base)
2.  is-exception(case  b  of  inl()  =>  ff  |  inr()  =>  tt)
3.  is-exception(b)
\mvdash{}  \mdownarrow{}False


By

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Latex:
TACTIC:(InstLemma  `partial-not-exception`  [\mkleeneopen{}Base\mkleeneclose{};\mkleeneopen{}b\mkleeneclose{}]\mcdot{}  THEN  Auto)

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