Step
*
1
of Lemma
rat-point-in-intersection
1. k : ℕ
2. x : ℕk ⟶ ℚ
3. c : ℚCube(k)
4. d : ℚCube(k)
5. ∀i:ℕk. (((fst((c ⋂ d i))) ≤ (x i)) ∧ ((x i) ≤ (snd((c ⋂ d i)))))
6. i : ℕk
7. ((fst((c ⋂ d i))) ≤ (x i)) ∧ ((x i) ≤ (snd((c ⋂ d i))))
⊢ ((fst((c i))) ≤ (x i)) ∧ ((x i) ≤ (snd((c i))))
BY
{ (RepUR ``rat-cube-intersection`` -1
THEN MoveToConcl (-1)
THEN GenConclTerms Auto [⌜c i⌝;⌜d i⌝;⌜x i⌝]⋅
THEN All Thin
THEN D 2
THEN D 1
THEN RepUR ``rat-interval-intersection`` 0
THEN (RWO "qmax_lb qmin_ub" 0 THENA Auto)
THEN Auto) }
Latex:
Latex:
1. k : \mBbbN{}
2. x : \mBbbN{}k {}\mrightarrow{} \mBbbQ{}
3. c : \mBbbQ{}Cube(k)
4. d : \mBbbQ{}Cube(k)
5. \mforall{}i:\mBbbN{}k. (((fst((c \mcap{} d i))) \mleq{} (x i)) \mwedge{} ((x i) \mleq{} (snd((c \mcap{} d i)))))
6. i : \mBbbN{}k
7. ((fst((c \mcap{} d i))) \mleq{} (x i)) \mwedge{} ((x i) \mleq{} (snd((c \mcap{} d i))))
\mvdash{} ((fst((c i))) \mleq{} (x i)) \mwedge{} ((x i) \mleq{} (snd((c i))))
By
Latex:
(RepUR ``rat-cube-intersection`` -1
THEN MoveToConcl (-1)
THEN GenConclTerms Auto [\mkleeneopen{}c i\mkleeneclose{};\mkleeneopen{}d i\mkleeneclose{};\mkleeneopen{}x i\mkleeneclose{}]\mcdot{}
THEN All Thin
THEN D 2
THEN D 1
THEN RepUR ``rat-interval-intersection`` 0
THEN (RWO "qmax\_lb qmin\_ub" 0 THENA Auto)
THEN Auto)
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