Nuprl Lemma : geo-Aparallel_wf

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


Proof




Definitions occuring in Statement :  geo-Aparallel: || m geoline: LINE euclidean-plane: EuclideanPlane uall: [x:A]. B[x] prop: member: t ∈ T
Definitions unfolded in proof :  uall: [x:A]. B[x] member: t ∈ T geo-Aparallel: || 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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