Step
*
of Lemma
rat-point-in-cube-interior-not-in-face
No Annotations
∀[k:ℕ]. ∀[x:ℕk ⟶ ℚ]. ∀[a:ℚCube(k)].
∀f:ℚCube(k). (f ≤ a
⇒ rat-point-in-cube(k;x;f)
⇒ (f = a ∈ ℚCube(k))) supposing rat-point-in-cube-interior(k;x;a)
BY
{ ((Auto THEN Unfold `rational-cube` 0)
THEN (FunExt THENA Auto)
THEN RenameVar `i' (-1)
THEN ((D 4 With ⌜i⌝ THENA Auto) THEN MoveToConcl (-1))
THEN RepeatFor 2 (((D 5 With ⌜i⌝ THENA Auto) THEN MoveToConcl (-1)))
THEN ((GenConcl ⌜(f i) = F ∈ ℚInterval⌝⋅ THENA Auto) THEN Thin (-1) THEN D -1)
THEN ((GenConcl ⌜(a i) = A ∈ ℚInterval⌝⋅ THENA Auto) THEN Thin (-1) THEN D -1)
THEN GenConclTerms Auto [⌜x i⌝]⋅
THEN All Thin
THEN RepUR ``rat-interval-face rat-point-interval inhabited-rat-interval`` 0
THEN RW assert_pushdownC 0
THEN Auto
THEN SplitOrHyps
THEN (EqHD (-4) THENA Auto)
THEN All Reduce
THEN RationalElim ⌜F1⌝⋅
THEN RationalElim ⌜F2⌝⋅
THEN Auto
THEN Decide ⌜A1 < A2⌝⋅
THEN Auto
THEN RWO "qless_complement_qorder" (-1)
THEN Auto
THEN EqCD
THEN Auto) }
Latex:
Latex:
No Annotations
\mforall{}[k:\mBbbN{}]. \mforall{}[x:\mBbbN{}k {}\mrightarrow{} \mBbbQ{}]. \mforall{}[a:\mBbbQ{}Cube(k)].
\mforall{}f:\mBbbQ{}Cube(k). (f \mleq{} a {}\mRightarrow{} rat-point-in-cube(k;x;f) {}\mRightarrow{} (f = a))
supposing rat-point-in-cube-interior(k;x;a)
By
Latex:
((Auto THEN Unfold `rational-cube` 0)
THEN (FunExt THENA Auto)
THEN RenameVar `i' (-1)
THEN ((D 4 With \mkleeneopen{}i\mkleeneclose{} THENA Auto) THEN MoveToConcl (-1))
THEN RepeatFor 2 (((D 5 With \mkleeneopen{}i\mkleeneclose{} THENA Auto) THEN MoveToConcl (-1)))
THEN ((GenConcl \mkleeneopen{}(f i) = F\mkleeneclose{}\mcdot{} THENA Auto) THEN Thin (-1) THEN D -1)
THEN ((GenConcl \mkleeneopen{}(a i) = A\mkleeneclose{}\mcdot{} THENA Auto) THEN Thin (-1) THEN D -1)
THEN GenConclTerms Auto [\mkleeneopen{}x i\mkleeneclose{}]\mcdot{}
THEN All Thin
THEN RepUR ``rat-interval-face rat-point-interval inhabited-rat-interval`` 0
THEN RW assert\_pushdownC 0
THEN Auto
THEN SplitOrHyps
THEN (EqHD (-4) THENA Auto)
THEN All Reduce
THEN RationalElim \mkleeneopen{}F1\mkleeneclose{}\mcdot{}
THEN RationalElim \mkleeneopen{}F2\mkleeneclose{}\mcdot{}
THEN Auto
THEN Decide \mkleeneopen{}A1 < A2\mkleeneclose{}\mcdot{}
THEN Auto
THEN RWO "qless\_complement\_qorder" (-1)
THEN Auto
THEN EqCD
THEN Auto)
Home
Index