Nuprl Lemma : geo-Aparallel_wf

∀[e:EuclideanPlane]. ∀[l,m:LINE].  (l || m ∈ ℙ)


Proof




Definitions occuring in Statement :  geo-Aparallel: l || m,  geoline: LINE,  euclidean-plane: EuclideanPlane,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uall: ∀[x:A]. B[x],  member: t ∈ T,  geo-Aparallel: l || m
Lemmas referenced :  not_wf,  geo-intersect_wf,  geoline_wf,  euclidean-plane_wf
Rules used in proof :  sqequalSubstitution,  sqequalTransitivity,  computationStep,  sqequalReflexivity,  isect_memberFormation,  introduction,  cut,  sqequalRule,  extract_by_obid,  sqequalHypSubstitution,  isectElimination,  thin,  hypothesisEquality,  hypothesis,  axiomEquality,  equalityTransitivity,  equalitySymmetry,  isect_memberEquality,  because_Cache

Latex:
\mforall{}[e:EuclideanPlane].  \mforall{}[l,m:LINE].    (l  ||  m  \mmember{}  \mBbbP{})



Date html generated: 2018_05_22-PM-01_07_41
Last ObjectModification: 2018_05_10-PM-06_03_37

Theory : euclidean!plane!geometry


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