Step
*
2
1
of Lemma
finite-decidable-inhabited
1. [T] : Type
2. n : ℕ
3. f : T ⟶ ℕn
4. Inj(T;ℕn;f)
5. Surj(T;ℕn;f)
6. ¬(n = 0 ∈ ℤ)
⊢ T
BY
{ ((D -2 With ⌜0⌝ THENA Auto) THEN ExRepD THEN Auto) }
Latex:
Latex:
1. [T] : Type
2. n : \mBbbN{}
3. f : T {}\mrightarrow{} \mBbbN{}n
4. Inj(T;\mBbbN{}n;f)
5. Surj(T;\mBbbN{}n;f)
6. \mneg{}(n = 0)
\mvdash{} T
By
Latex:
((D -2 With \mkleeneopen{}0\mkleeneclose{} THENA Auto) THEN ExRepD THEN Auto)
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