Nuprl Lemma : rng-pp-nontrivial-3

r:IntegDom{i}. ∀eq:EqDecider(|r|). ∀l:{p:ℕ3 ⟶ |r|| ¬(p 0 ∈ (ℕ3 ⟶ |r|))} .
  ∃a,b,c:{p:ℕ3 ⟶ |r|| ¬(p 0 ∈ (ℕ3 ⟶ |r|))} 
   ((¬¬((a l) 0 ∈ |r|))
   ∧ (¬¬((b l) 0 ∈ |r|))
   ∧ (¬¬((c l) 0 ∈ |r|))
   ∧ (∃l:{p:ℕ3 ⟶ |r|| ¬(p 0 ∈ (ℕ3 ⟶ |r|))} ((¬¬((a l) 0 ∈ |r|)) ∧ ((b l) 0 ∈ |r|))))
   ∧ (∃l:{p:ℕ3 ⟶ |r|| ¬(p 0 ∈ (ℕ3 ⟶ |r|))} ((¬¬((b l) 0 ∈ |r|)) ∧ ((c l) 0 ∈ |r|))))
   ∧ (∃l:{p:ℕ3 ⟶ |r|| ¬(p 0 ∈ (ℕ3 ⟶ |r|))} ((¬¬((c l) 0 ∈ |r|)) ∧ ((a l) 0 ∈ |r|)))))


Proof




Definitions occuring in Statement :  deq: EqDecider(T) int_seg: {i..j-} all: x:A. B[x] exists: x:A. B[x] not: ¬A and: P ∧ Q set: {x:A| B[x]}  function: x:A ⟶ B[x] natural_number: $n equal: t ∈ T integ_dom: IntegDom{i} rng_zero: 0 rng_car: |r| scalar-product: (a b) zero-vector: 0
Definitions unfolded in proof :  so_apply: x[s] so_lambda: λ2x.t[x] less_than': less_than'(a;b) le: A ≤ B nat: cand: c∧ B sq_exists: x:A [B[x]] prop: false: False not: ¬A and: P ∧ Q exists: x:A. B[x] guard: {T} implies:  Q rng: Rng crng: CRng integ_dom: IntegDom{i} member: t ∈ T uall: [x:A]. B[x] all: x:A. B[x]
Lemmas referenced :  integ_dom_wf deq_wf set_wf rng_zero_wf exists_wf le_wf false_wf scalar-product_wf cross-product_wf zero-vector_wf int_seg_wf cross-product-non-zero-implies-ext equal_wf not_wf rng-pp-nontrivial-2 rng_car_wf deq-implies
Rules used in proof :  lambdaEquality applyEquality functionExtensionality setEquality sqequalRule natural_numberEquality functionEquality productEquality dependent_set_memberEquality equalitySymmetry equalityTransitivity voidElimination promote_hyp independent_pairFormation dependent_pairFormation productElimination hypothesisEquality dependent_functionElimination independent_functionElimination hypothesis because_Cache rename setElimination thin isectElimination sqequalHypSubstitution extract_by_obid introduction cut lambdaFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}r:IntegDom\{i\}.  \mforall{}eq:EqDecider(|r|).  \mforall{}l:\{p:\mBbbN{}3  {}\mrightarrow{}  |r||  \mneg{}(p  =  0)\}  .
    \mexists{}a,b,c:\{p:\mBbbN{}3  {}\mrightarrow{}  |r||  \mneg{}(p  =  0)\} 
      ((\mneg{}\mneg{}((a  .  l)  =  0))
      \mwedge{}  (\mneg{}\mneg{}((b  .  l)  =  0))
      \mwedge{}  (\mneg{}\mneg{}((c  .  l)  =  0))
      \mwedge{}  (\mexists{}l:\{p:\mBbbN{}3  {}\mrightarrow{}  |r||  \mneg{}(p  =  0)\}  .  ((\mneg{}\mneg{}((a  .  l)  =  0))  \mwedge{}  (\mneg{}((b  .  l)  =  0))))
      \mwedge{}  (\mexists{}l:\{p:\mBbbN{}3  {}\mrightarrow{}  |r||  \mneg{}(p  =  0)\}  .  ((\mneg{}\mneg{}((b  .  l)  =  0))  \mwedge{}  (\mneg{}((c  .  l)  =  0))))
      \mwedge{}  (\mexists{}l:\{p:\mBbbN{}3  {}\mrightarrow{}  |r||  \mneg{}(p  =  0)\}  .  ((\mneg{}\mneg{}((c  .  l)  =  0))  \mwedge{}  (\mneg{}((a  .  l)  =  0)))))



Date html generated: 2018_05_22-PM-00_53_56
Last ObjectModification: 2018_05_21-AM-01_24_36

Theory : euclidean!plane!geometry


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