Nuprl Lemma : geo_ge_wf
∀[e:BasicGeometry]. ∀[p,q:Length].  (geo_ge(e; p; q) ∈ ℙ)
Proof
Definitions occuring in Statement : 
geo_ge: geo_ge(e; p; q)
, 
geo-length-type: Length
, 
basic-geometry: BasicGeometry
, 
uall: ∀[x:A]. B[x]
, 
prop: ℙ
, 
member: t ∈ T
Definitions unfolded in proof : 
geo_ge: geo_ge(e; p; q)
, 
member: t ∈ T
, 
uall: ∀[x:A]. B[x]
Lemmas referenced : 
basic-geometry_wf, 
geo-length-type_wf, 
geo-le_wf
Rules used in proof : 
because_Cache, 
isect_memberEquality, 
equalitySymmetry, 
equalityTransitivity, 
axiomEquality, 
hypothesis, 
hypothesisEquality, 
thin, 
isectElimination, 
sqequalHypSubstitution, 
extract_by_obid, 
sqequalRule, 
cut, 
introduction, 
isect_memberFormation, 
sqequalReflexivity, 
computationStep, 
sqequalTransitivity, 
sqequalSubstitution
Latex:
\mforall{}[e:BasicGeometry].  \mforall{}[p,q:Length].    (geo\_ge(e;  p;  q)  \mmember{}  \mBbbP{})
Date html generated:
2017_10_02-PM-04_52_17
Last ObjectModification:
2017_08_05-AM-09_10_07
Theory : euclidean!plane!geometry
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