Step
*
1
2
of Lemma
r-comp-nc-1
1. I : fset(ℕ)
2. i : ℕ
3. ¬i ∈ I
4. x : names(I+i)
5. x = i ∈ ℤ
6. λx.if (x =z i) then 1 else <x> fi ∈ I ⟶ I+i
⊢ ¬(if (i =z i) then 1 else <i> fi ) = 0 ∈ Point(dM(I))
BY
{ AutoSplit }
Latex:
Latex:
1. I : fset(\mBbbN{})
2. i : \mBbbN{}
3. \mneg{}i \mmember{} I
4. x : names(I+i)
5. x = i
6. \mlambda{}x.if (x =\msubz{} i) then 1 else <x> fi \mmember{} I {}\mrightarrow{} I+i
\mvdash{} \mneg{}(if (i =\msubz{} i) then 1 else <i> fi ) = 0
By
Latex:
AutoSplit
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