Nuprl Lemma : rcolumn_wf

[n:ℕ]. ∀[b:ℝ^n].  (col(b) ∈ ℝ(n × 1))


Proof




Definitions occuring in Statement :  rcolumn: col(b) rmatrix: (a × b) real-vec: ^n nat: uall: [x:A]. B[x] member: t ∈ T natural_number: $n
Definitions unfolded in proof :  rmatrix: (a × b) real-vec: ^n uall: [x:A]. B[x] member: t ∈ T rcolumn: col(b) int_seg: {i..j-} lelt: i ≤ j < k and: P ∧ Q le: A ≤ B nat:
Lemmas referenced :  int_seg_wf real_wf istype-nat
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep isect_memberFormation_alt introduction cut lambdaEquality_alt applyEquality hypothesisEquality universeIsType extract_by_obid sqequalHypSubstitution isectElimination thin setElimination rename productElimination hypothesis natural_numberEquality axiomEquality equalityTransitivity equalitySymmetry functionIsType isect_memberEquality_alt isectIsTypeImplies inhabitedIsType

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[b:\mBbbR{}\^{}n].    (col(b)  \mmember{}  \mBbbR{}(n  \mtimes{}  1))



Date html generated: 2019_10_30-AM-08_11_55
Last ObjectModification: 2019_09_19-PM-00_12_49

Theory : reals


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