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: member: t ∈ T
Definitions unfolded in proof :  uimplies: supposing a guard: {T} so_apply: x[s] basic-geometry: BasicGeometry prop: implies:  Q so_lambda: λ2x.t[x] subtype_rel: A ⊆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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