Nuprl Lemma : circle-strict-overlap-implies-overlap

g:GeometryPrimitives. (BasicGeometryAxioms(g)  (∀a,b,c,d:Point.  (StrictOverlap(a;b;c;d)  Overlap(a;b;c;d))))


Proof




Definitions occuring in Statement :  circle-strict-overlap: StrictOverlap(a;b;c;d) circle-overlap: Overlap(a;b;c;d) basic-geo-axioms: BasicGeometryAxioms(g) geo-primitives: GeometryPrimitives geo-point: Point all: x:A. B[x] implies:  Q
Definitions unfolded in proof :  all: x:A. B[x] implies:  Q circle-strict-overlap: StrictOverlap(a;b;c;d) circle-overlap: Overlap(a;b;c;d) squash: T exists: x:A. B[x] and: P ∧ Q member: t ∈ T cand: c∧ B uall: [x:A]. B[x] prop: guard: {T} basic-geo-axioms: BasicGeometryAxioms(g)

Latex:
\mforall{}g:GeometryPrimitives
    (BasicGeometryAxioms(g)  {}\mRightarrow{}  (\mforall{}a,b,c,d:Point.    (StrictOverlap(a;b;c;d)  {}\mRightarrow{}  Overlap(a;b;c;d))))



Date html generated: 2020_05_20-AM-09_43_46
Last ObjectModification: 2019_11_13-PM-01_56_24

Theory : euclidean!plane!geometry


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