Nuprl Lemma : eu-between-implies-between-eq
∀e:EuclideanPlane. ∀[a,b,c:Point].  a_b_c supposing a-b-c
Proof
Definitions occuring in Statement : 
euclidean-plane: EuclideanPlane
, 
eu-between-eq: a_b_c
, 
eu-between: a-b-c
, 
eu-point: Point
, 
uimplies: b supposing a
, 
uall: ∀[x:A]. B[x]
, 
all: ∀x:A. B[x]
Definitions unfolded in proof : 
all: ∀x:A. B[x]
, 
uall: ∀[x:A]. B[x]
, 
uimplies: b supposing a
, 
member: t ∈ T
, 
euclidean-plane: EuclideanPlane
, 
iff: P 
⇐⇒ Q
, 
and: P ∧ Q
, 
rev_implies: P 
⇐ Q
, 
implies: P 
⇒ Q
, 
not: ¬A
, 
false: False
, 
prop: ℙ
Lemmas referenced : 
eu-between-eq-def, 
and_wf, 
not_wf, 
equal_wf, 
eu-point_wf, 
eu-between_wf, 
euclidean-plane_wf
Rules used in proof : 
sqequalSubstitution, 
sqequalTransitivity, 
computationStep, 
sqequalReflexivity, 
lambdaFormation, 
isect_memberFormation, 
cut, 
lemma_by_obid, 
sqequalHypSubstitution, 
dependent_functionElimination, 
thin, 
setElimination, 
rename, 
hypothesisEquality, 
isectElimination, 
hypothesis, 
productElimination, 
independent_functionElimination, 
voidElimination
Latex:
\mforall{}e:EuclideanPlane.  \mforall{}[a,b,c:Point].    a\_b\_c  supposing  a-b-c
Date html generated:
2016_05_18-AM-06_33_54
Last ObjectModification:
2015_12_28-AM-09_27_50
Theory : euclidean!geometry
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