Nuprl Lemma : geo-five-seg-compressed_wf

[e:BasicGeometry]. ∀[a,b,c,d,a',b',c',d':Point].  (FSC(a;b;c;d  a';b';c';d') ∈ ℙ)


Proof




Definitions occuring in Statement :  geo-five-seg-compressed: FSC(a;b;c;d  a';b';c';d') basic-geometry: BasicGeometry geo-point: Point uall: [x:A]. B[x] prop: member: t ∈ T
Definitions unfolded in proof :  uimplies: supposing a guard: {T} subtype_rel: A ⊆B basic-geometry: BasicGeometry and: P ∧ Q prop: geo-five-seg-compressed: FSC(a;b;c;d  a';b';c';d') 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-point_wf geo-congruent_wf geo-cong-tri_wf geo-colinear_wf
Rules used in proof :  isect_memberEquality independent_isectElimination instantiate equalitySymmetry equalityTransitivity axiomEquality because_Cache applyEquality hypothesis hypothesisEquality rename setElimination thin isectElimination sqequalHypSubstitution extract_by_obid productEquality sqequalRule cut introduction isect_memberFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}[e:BasicGeometry].  \mforall{}[a,b,c,d,a',b',c',d':Point].    (FSC(a;b;c;d    a';b';c';d')  \mmember{}  \mBbbP{})



Date html generated: 2017_10_02-PM-06_31_34
Last ObjectModification: 2017_08_05-PM-04_42_35

Theory : euclidean!plane!geometry


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