Nuprl Definition : geo-pt-sep-from-line

geo-pt-sep-from-line(e; x; a; b) ==
  (a ≠ x ∧ b ≠ x) ∧ (∀y:Point. (((y-a-b  y ≠ x) ∧ (a-b-y  y ≠ x)) ∧ (b-y-a  y ≠ x)))



Definitions occuring in Statement :  geo-strict-between: a-b-c geo-sep: a ≠ b geo-point: Point all: x:A. B[x] implies:  Q and: P ∧ Q
Definitions occuring in definition :  all: x:A. B[x] geo-point: Point and: P ∧ Q implies:  Q geo-strict-between: a-b-c geo-sep: a ≠ b

Latex:
geo-pt-sep-from-line(e;  x;  a;  b)  ==
    (a  \mneq{}  x  \mwedge{}  b  \mneq{}  x)  \mwedge{}  (\mforall{}y:Point.  (((y-a-b  {}\mRightarrow{}  y  \mneq{}  x)  \mwedge{}  (a-b-y  {}\mRightarrow{}  y  \mneq{}  x))  \mwedge{}  (b-y-a  {}\mRightarrow{}  y  \mneq{}  x)))



Date html generated: 2017_10_02-PM-06_21_14
Last ObjectModification: 2017_08_05-PM-04_15_45

Theory : euclidean!plane!geometry


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