Step
*
1
of Lemma
apply-alist-inr
1. A : Type
2. T : Type
3. eq : EqDecider(T)
4. x : T
5. u : Unit
6. apply-alist(eq;[];x) = (inr u ) ∈ (A?)
⊢ ¬(∃z@0:A. (<x, z@0> ∈ []))
BY
{ ((D 0 THENM ExRepD) THEN Auto) }
Latex:
Latex:
1. A : Type
2. T : Type
3. eq : EqDecider(T)
4. x : T
5. u : Unit
6. apply-alist(eq;[];x) = (inr u )
\mvdash{} \mneg{}(\mexists{}z@0:A. (<x, z@0> \mmember{} []))
By
Latex:
((D 0 THENM ExRepD) THEN Auto)
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