Nuprl Lemma : real-vec-add-com

[n:ℕ]. ∀[X,Y:ℝ^n].  req-vec(n;X Y;Y X)


Proof




Definitions occuring in Statement :  real-vec-add: Y req-vec: req-vec(n;x;y) real-vec: ^n nat: uall: [x:A]. B[x]
Definitions unfolded in proof :  real-vec-add: Y req-vec: req-vec(n;x;y) real-vec: ^n uall: [x:A]. B[x] member: t ∈ T all: x:A. B[x] nat: implies:  Q
Lemmas referenced :  radd_comm int_seg_wf req_witness radd_wf real_wf nat_wf
Rules used in proof :  sqequalSubstitution sqequalRule sqequalReflexivity sqequalTransitivity computationStep isect_memberFormation introduction cut lambdaFormation extract_by_obid sqequalHypSubstitution isectElimination thin applyEquality functionExtensionality hypothesisEquality natural_numberEquality setElimination rename hypothesis because_Cache lambdaEquality dependent_functionElimination independent_functionElimination functionEquality isect_memberEquality

Latex:
\mforall{}[n:\mBbbN{}].  \mforall{}[X,Y:\mBbbR{}\^{}n].    req-vec(n;X  +  Y;Y  +  X)



Date html generated: 2016_10_26-AM-10_15_28
Last ObjectModification: 2016_09_24-PM-09_12_53

Theory : reals


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