Step
*
2
1
1
1
of Lemma
no_repeats-rat-cube-faces
1. k : ℕ
2. c : ℚCube(k)
3. l : ℚCube(k) List
4. y : ℕk
5. (y ∈ filter(λj.(dim(c j) =z 1);upto(k)))
6. l = [lower-rc-face(c;y); upper-rc-face(c;y)] ∈ (ℚCube(k) List)
7. no_repeats(ℚCube(k);[upper-rc-face(c;y)])
8. lower-rc-face(c;y) = upper-rc-face(c;y) ∈ ℚCube(k)
9. (fst((c y))) = (snd((c y))) ∈ ℚ
⊢ False
BY
{ (GenListD (-5) THEN D -5 THEN (RW assert_pushdownC (-5) THENA Auto) THEN MoveToConcl (-5)) }
1
1. k : ℕ
2. c : ℚCube(k)
3. l : ℚCube(k) List
4. y : ℕk
5. (y ∈ upto(k))
6. l = [lower-rc-face(c;y); upper-rc-face(c;y)] ∈ (ℚCube(k) List)
7. no_repeats(ℚCube(k);[upper-rc-face(c;y)])
8. lower-rc-face(c;y) = upper-rc-face(c;y) ∈ ℚCube(k)
9. (fst((c y))) = (snd((c y))) ∈ ℚ
⊢ (dim(c y) = 1 ∈ ℤ)
⇒ False
Latex:
Latex:
1. k : \mBbbN{}
2. c : \mBbbQ{}Cube(k)
3. l : \mBbbQ{}Cube(k) List
4. y : \mBbbN{}k
5. (y \mmember{} filter(\mlambda{}j.(dim(c j) =\msubz{} 1);upto(k)))
6. l = [lower-rc-face(c;y); upper-rc-face(c;y)]
7. no\_repeats(\mBbbQ{}Cube(k);[upper-rc-face(c;y)])
8. lower-rc-face(c;y) = upper-rc-face(c;y)
9. (fst((c y))) = (snd((c y)))
\mvdash{} False
By
Latex:
(GenListD (-5) THEN D -5 THEN (RW assert\_pushdownC (-5) THENA Auto) THEN MoveToConcl (-5))
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