Step
*
1
1
1
of Lemma
b-almost-full-intersection-lemma
1. R : ℕ ⟶ ℕ ⟶ ℙ@i'
2. T : ℕ ⟶ ℕ ⟶ ℙ@i'
3. b-almost-full(n,m.T[n;m])@i
4. s : StrictInc@i
5. f : StrictInc@i
6. ∃n:ℕ. ∃m:{n + 1...}. R[s (f n);s (f m)]@i
⊢ ∃n:ℕ. ∃n@0:{(f n) + 1...}. R[s (f n);s n@0]
BY
{ (ParallelLast THEN ExRepD) }
1
1. R : ℕ ⟶ ℕ ⟶ ℙ@i'
2. T : ℕ ⟶ ℕ ⟶ ℙ@i'
3. b-almost-full(n,m.T[n;m])@i
4. s : StrictInc@i
5. f : StrictInc@i
6. n : ℕ@i
7. m : {n + 1...}@i
8. R[s (f n);s (f m)]@i
⊢ ∃n@0:{(f n) + 1...}. R[s (f n);s n@0]
Latex:
Latex:
1. R : \mBbbN{} {}\mrightarrow{} \mBbbN{} {}\mrightarrow{} \mBbbP{}@i'
2. T : \mBbbN{} {}\mrightarrow{} \mBbbN{} {}\mrightarrow{} \mBbbP{}@i'
3. b-almost-full(n,m.T[n;m])@i
4. s : StrictInc@i
5. f : StrictInc@i
6. \mexists{}n:\mBbbN{}. \mexists{}m:\{n + 1...\}. R[s (f n);s (f m)]@i
\mvdash{} \mexists{}n:\mBbbN{}. \mexists{}n@0:\{(f n) + 1...\}. R[s (f n);s n@0]
By
Latex:
(ParallelLast THEN ExRepD)
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