Step
*
1
1
1
of Lemma
bar-converges-unique
.....antecedent.....
1. T : Type
2. x : bar-base(T)
3. a : T
4. b : T
5. n1 : ℕ@i
6. bar-val(n1;x) = (inl a) ∈ (T?)
7. n : ℕ@i
8. bar-val(n;x) = (inl b) ∈ (T?)
9. n ≤ n1
⊢ ↑isl(bar-val(n;x))
BY
{ TACTIC:(HypSubst' (-2) 0 THEN Auto) }
Latex:
Latex:
.....antecedent.....
1. T : Type
2. x : bar-base(T)
3. a : T
4. b : T
5. n1 : \mBbbN{}@i
6. bar-val(n1;x) = (inl a)
7. n : \mBbbN{}@i
8. bar-val(n;x) = (inl b)
9. n \mleq{} n1
\mvdash{} \muparrow{}isl(bar-val(n;x))
By
Latex:
TACTIC:(HypSubst' (-2) 0 THEN Auto)
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