Nuprl Lemma : scalar-product_wf

[r:Rng]. ∀[n:ℕ]. ∀[a,b:ℕn ⟶ |r|].  ((a b) ∈ |r|)


Proof




Definitions occuring in Statement :  scalar-product: (a b) int_seg: {i..j-} nat: uall: [x:A]. B[x] member: t ∈ T function: x:A ⟶ B[x] natural_number: $n rng: Rng rng_car: |r|
Definitions unfolded in proof :  so_apply: x[s] rng: Rng infix_ap: y so_lambda: λ2x.t[x] nat: scalar-product: (a b) member: t ∈ T uall: [x:A]. B[x]
Lemmas referenced :  rng_wf nat_wf rng_car_wf int_seg_wf rng_times_wf rng_sum_wf
Rules used in proof :  isect_memberEquality functionEquality equalitySymmetry equalityTransitivity axiomEquality functionExtensionality applyEquality lambdaEquality hypothesis because_Cache rename setElimination natural_numberEquality hypothesisEquality thin isectElimination sqequalHypSubstitution extract_by_obid sqequalRule cut introduction isect_memberFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}[r:Rng].  \mforall{}[n:\mBbbN{}].  \mforall{}[a,b:\mBbbN{}n  {}\mrightarrow{}  |r|].    ((a  .  b)  \mmember{}  |r|)



Date html generated: 2018_05_21-PM-09_41_54
Last ObjectModification: 2017_12_18-PM-00_44_17

Theory : matrices


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