Nuprl Lemma : geo-sep-line_wf

∀[e:BasicGeometry]. ∀[a,b,c:Point].  (geo-sep-line(e;a;b;c) ∈ ℙ)


Proof




Definitions occuring in Statement :  geo-sep-line: geo-sep-line(e;a;b;c),  basic-geometry: BasicGeometry,  geo-point: Point,  uall: ∀[x:A]. B[x],  prop: ℙ,  member: t ∈ T
Definitions unfolded in proof :  uimplies: b supposing a,  guard: {T},  so_apply: x[s],  basic-geometry: BasicGeometry,  prop: ℙ,  implies: P ⇒ Q,  so_lambda: λ2x.t[x],  subtype_rel: A ⊆r B,  geo-sep-line: geo-sep-line(e;a;b;c),  member: t ∈ T,  uall: ∀[x:A]. B[x]
Lemmas referenced :  Error :basic-geo-primitives_wf,  Error :basic-geo-structure_wf,  basic-geometry_wf,  subtype_rel_transitivity,  basic-geometry-subtype,  geo-sep_wf,  geo-colinear_wf,  geo-point_wf,  all_wf
Rules used in proof :  isect_memberEquality,  independent_isectElimination,  instantiate,  equalitySymmetry,  equalityTransitivity,  axiomEquality,  rename,  setElimination,  functionEquality,  lambdaEquality,  hypothesis,  because_Cache,  applyEquality,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  sqequalRule,  cut,  introduction,  isect_memberFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}[e:BasicGeometry].  \mforall{}[a,b,c:Point].    (geo-sep-line(e;a;b;c)  \mmember{}  \mBbbP{})



Date html generated: 2017_10_02-PM-06_22_29
Last ObjectModification: 2017_08_05-PM-04_16_47

Theory : euclidean!plane!geometry


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