Nuprl Lemma : sq_stable__geo-between

∀g:EuclideanPlaneStructure. ∀[a,b,c:Point].  SqStable(a_b_c)


Proof




Definitions occuring in Statement :  euclidean-plane-structure: EuclideanPlaneStructure,  geo-between: a_b_c,  geo-point: Point,  sq_stable: SqStable(P),  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x]
Definitions unfolded in proof :  implies: P ⇒ Q,  subtype_rel: A ⊆r B,  member: t ∈ T,  uall: ∀[x:A]. B[x],  all: ∀x:A. B[x]
Lemmas referenced :  euclidean-plane-structure_wf,  euclidean-plane-structure-subtype,  geo-point_wf,  stable__geo-between,  geo-between_wf,  stable-implies-sq_stable
Rules used in proof :  dependent_functionElimination,  independent_functionElimination,  sqequalRule,  hypothesis,  because_Cache,  applyEquality,  hypothesisEquality,  thin,  isectElimination,  sqequalHypSubstitution,  extract_by_obid,  introduction,  cut,  isect_memberFormation,  lambdaFormation,  sqequalReflexivity,  computationStep,  sqequalTransitivity,  sqequalSubstitution

Latex:
\mforall{}g:EuclideanPlaneStructure.  \mforall{}[a,b,c:Point].    SqStable(a\_b\_c)



Date html generated: 2017_10_02-PM-03_26_27
Last ObjectModification: 2017_08_04-PM-06_39_58

Theory : euclidean!plane!geometry


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