Step
*
1
1
1
of Lemma
r-triangle-inequality
.....wf.....
1. x : ℝ
2. y : ℝ
3. bdd-diff(-(|x + y|);-(|λn.((x n) + (y n))|))
⊢ reg-seq-add(|x| + |y|;-(|λn.((x n) + (y n))|)) ∈ ℕ+ ⟶ ℤ
BY
{ MemCD }
1
.....subterm..... T:t
1:n
1. x : ℝ
2. y : ℝ
3. bdd-diff(-(|x + y|);-(|λn.((x n) + (y n))|))
⊢ |x| + |y| ∈ ℕ+ ⟶ ℤ
2
.....subterm..... T:t
2:n
1. x : ℝ
2. y : ℝ
3. bdd-diff(-(|x + y|);-(|λn.((x n) + (y n))|))
⊢ -(|λn.((x n) + (y n))|) ∈ ℕ+ ⟶ ℤ
Latex:
Latex:
.....wf.....
1. x : \mBbbR{}
2. y : \mBbbR{}
3. bdd-diff(-(|x + y|);-(|\mlambda{}n.((x n) + (y n))|))
\mvdash{} reg-seq-add(|x| + |y|;-(|\mlambda{}n.((x n) + (y n))|)) \mmember{} \mBbbN{}\msupplus{} {}\mrightarrow{} \mBbbZ{}
By
Latex:
MemCD
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