Nuprl Lemma : rv-mul-0

[rv:RealVectorSpace]. ∀[a:ℝ].  a*0 ≡ 0


Proof




Definitions occuring in Statement :  rv-mul: a*x rv-0: 0 real-vector-space: RealVectorSpace ss-eq: x ≡ y real: uall: [x:A]. B[x]
Definitions unfolded in proof :  rev_uimplies: rev_uimplies(P;Q) and: P ∧ Q uiff: uiff(P;Q) uimplies: supposing a all: x:A. B[x] prop: subtype_rel: A ⊆B false: False implies:  Q not: ¬A ss-eq: x ≡ y member: t ∈ T uall: [x:A]. B[x]
Lemmas referenced :  rmul-zero-both rv-mul-mul ss-eq_weakening rmul_wf ss-eq_inversion req_weakening rv-mul_functionality ss-eq_functionality int-to-real_wf real-vector-space_wf real_wf rv-mul_wf real-vector-space_subtype1 ss-sep_wf rv-0_wf rv-mul0
Rules used in proof :  productElimination independent_functionElimination independent_isectElimination natural_numberEquality voidElimination isect_memberEquality applyEquality because_Cache dependent_functionElimination lambdaEquality sqequalRule hypothesis hypothesisEquality thin isectElimination sqequalHypSubstitution extract_by_obid cut introduction isect_memberFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}[rv:RealVectorSpace].  \mforall{}[a:\mBbbR{}].    a*0  \mequiv{}  0



Date html generated: 2016_11_08-AM-09_14_05
Last ObjectModification: 2016_11_01-PM-01_10_11

Theory : inner!product!spaces


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