Step
*
1
of Lemma
nc-e'-s-lemma1
.....wf.....
1. I : fset(ℕ)
2. J : fset(ℕ)
3. i : ℕ
4. z : ℕ
5. g : J ⟶ I
6. j : ℕ
7. k : ℕ
8. ¬j ∈ I
9. x : names(I+i)
10. x = i ∈ ℤ
⊢ g,j=k,i=z ∈ J+k+z ⟶ I+i+j
BY
{ (InferEqualType THEN Auto) }
Latex:
Latex:
.....wf.....
1. I : fset(\mBbbN{})
2. J : fset(\mBbbN{})
3. i : \mBbbN{}
4. z : \mBbbN{}
5. g : J {}\mrightarrow{} I
6. j : \mBbbN{}
7. k : \mBbbN{}
8. \mneg{}j \mmember{} I
9. x : names(I+i)
10. x = i
\mvdash{} g,j=k,i=z \mmember{} J+k+z {}\mrightarrow{} I+i+j
By
Latex:
(InferEqualType THEN Auto)
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