Nuprl Lemma : rv-between-symmetry
∀n:ℕ. ∀a,b,c:ℝ^n.  (a-b-c 
⇒ c-b-a)
Proof
Definitions occuring in Statement : 
rv-between: a-b-c
, 
real-vec: ℝ^n
, 
nat: ℕ
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
, 
rv-between: a-b-c
, 
and: P ∧ Q
, 
cand: A c∧ B
, 
member: t ∈ T
, 
iff: P 
⇐⇒ Q
, 
prop: ℙ
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
real-vec-between-symmetry, 
real-vec-sep-symmetry, 
rv-between_wf, 
real-vec_wf, 
nat_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
sqequalHypSubstitution, 
productElimination, 
thin, 
cut, 
introduction, 
extract_by_obid, 
dependent_functionElimination, 
hypothesisEquality, 
independent_functionElimination, 
hypothesis, 
independent_pairFormation, 
because_Cache, 
isectElimination
Latex:
\mforall{}n:\mBbbN{}.  \mforall{}a,b,c:\mBbbR{}\^{}n.    (a-b-c  {}\mRightarrow{}  c-b-a)
Date html generated:
2017_10_03-AM-11_09_03
Last ObjectModification:
2017_07_28-AM-08_23_05
Theory : reals
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