Nuprl Lemma : euclid5_wf

[e:BasicGeometry]. (euclid5(e) ∈ ℙ)


Proof




Definitions occuring in Statement :  euclid5: euclid5(e) basic-geometry: BasicGeometry uall: [x:A]. B[x] prop: member: t ∈ T
Definitions unfolded in proof :  exists: x:A. B[x] so_apply: x[s] and: P ∧ Q prop: implies:  Q so_lambda: λ2x.t[x] uimplies: supposing a guard: {T} subtype_rel: A ⊆B euclid5: euclid5(e) member: t ∈ T uall: [x:A]. B[x]
Lemmas referenced :  exists_wf geo-congruent_wf geo-colinear_wf not_wf geo-strict-between_wf geo-primitives_wf euclidean-plane-structure_wf euclidean-plane_wf basic-geometry_wf subtype_rel_transitivity basic-geometry-subtype euclidean-plane-subtype euclidean-plane-structure-subtype geo-point_wf all_wf
Rules used in proof :  equalitySymmetry equalityTransitivity axiomEquality productEquality functionEquality because_Cache lambdaEquality independent_isectElimination instantiate hypothesis applyEquality hypothesisEquality thin isectElimination sqequalHypSubstitution extract_by_obid sqequalRule cut introduction isect_memberFormation sqequalReflexivity computationStep sqequalTransitivity sqequalSubstitution

Latex:
\mforall{}[e:BasicGeometry].  (euclid5(e)  \mmember{}  \mBbbP{})



Date html generated: 2018_05_22-PM-00_12_53
Last ObjectModification: 2018_05_14-PM-03_18_45

Theory : euclidean!plane!geometry


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