Nuprl Definition : obtuse-angle
Obtuse(a;b;c) ==  ∀c':Point. (c'=b=c 
⇒ ac > ac')
Definitions occuring in Statement : 
geo-midpoint: a=m=b
, 
geo-gt: cd > ab
, 
geo-point: Point
, 
all: ∀x:A. B[x]
, 
implies: P 
⇒ Q
Definitions occuring in definition : 
geo-gt: cd > ab
, 
geo-midpoint: a=m=b
, 
implies: P 
⇒ Q
, 
geo-point: Point
, 
all: ∀x:A. B[x]
FDL editor aliases : 
obtuse-angle
Latex:
Obtuse(a;b;c)  ==    \mforall{}c':Point.  (c'=b=c  {}\mRightarrow{}  ac  >  ac')
Date html generated:
2018_05_22-AM-11_52_21
Last ObjectModification:
2018_03_28-PM-02_40_00
Theory : euclidean!plane!geometry
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