Step
*
1
of Lemma
rat-complex-subdiv-polyhedron
1. k : ℕ
2. n : ℕ
3. K : n-dim-complex
4. x : ℝ^k
5. c : ℚCube(k)
6. (c ∈ (K)')
7. in-rat-cube(k;x;c)
⊢ ¬¬(∃c∈K. in-rat-cube(k;x;c))
BY
{ ((RWO "member-rat-complex-subdiv2" (-2) THENA Auto) THEN ExRepD) }
1
1. k : ℕ
2. n : ℕ
3. K : n-dim-complex
4. x : ℝ^k
5. c : ℚCube(k)
6. a : ℚCube(k)
7. (a ∈ K)
8. ↑is-half-cube(k;c;a)
9. in-rat-cube(k;x;c)
⊢ ¬¬(∃c∈K. in-rat-cube(k;x;c))
Latex:
Latex:
1. k : \mBbbN{}
2. n : \mBbbN{}
3. K : n-dim-complex
4. x : \mBbbR{}\^{}k
5. c : \mBbbQ{}Cube(k)
6. (c \mmember{} (K)')
7. in-rat-cube(k;x;c)
\mvdash{} \mneg{}\mneg{}(\mexists{}c\mmember{}K. in-rat-cube(k;x;c))
By
Latex:
((RWO "member-rat-complex-subdiv2" (-2) THENA Auto) THEN ExRepD)
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