Nuprl Definition : geo-intersect

\/ ==
  ∃l,m:Line
   ((l L ∈ LINE)
   ∧ (m M ∈ LINE)
   ∧ (∃a,b:{c:Point| l} (a leftof fst(m)fst(snd(m)) ∧ leftof fst(snd(m))fst(m))))



Definitions occuring in Statement :  geo-incident: L geoline: LINE geo-line: Line geo-left: leftof bc geo-point: Point pi1: fst(t) pi2: snd(t) exists: x:A. B[x] and: P ∧ Q set: {x:A| B[x]}  equal: t ∈ T
Definitions occuring in definition :  pi1: fst(t) pi2: snd(t) geo-left: leftof bc and: P ∧ Q geo-incident: L geo-point: Point set: {x:A| B[x]}  exists: x:A. B[x] geoline: LINE equal: t ∈ T geo-line: Line
FDL editor aliases :  geo-intersect

Latex:
L  \mbackslash{}/  M  ==
    \mexists{}l,m:Line
      ((l  =  L)
      \mwedge{}  (m  =  M)
      \mwedge{}  (\mexists{}a,b:\{c:Point|  c  I  l\}  .  (a  leftof  fst(m)fst(snd(m))  \mwedge{}  b  leftof  fst(snd(m))fst(m))))



Date html generated: 2018_05_22-PM-01_05_01
Last ObjectModification: 2018_05_10-PM-04_43_41

Theory : euclidean!plane!geometry


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