started a subdir for the book

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aarne
2010-11-22 12:55:37 +00:00
parent 8ab5ec00c6
commit 46137ab6a6
97 changed files with 2026 additions and 0 deletions

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abstract Geometry = Logic ** {
fun
Line, Point, Circle : Dom ;
Intersect, Parallel : Ind -> Ind -> Prop ;
Vertical : Ind -> Prop ;
Centre : Ind -> Ind ;
}