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started a subdir for the book

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aarne
2010-11-22 12:55:37 +00:00
parent 8ab5ec00c6
commit 46137ab6a6
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11
book/examples/chapter8/Logicb.gf Normal file
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abstract Logic = {
cat
Prop ; Ind ; Dom ; Var ; [Prop] {2} ; [Var] {1} ;
fun
And, Or : [Prop] -> Prop ;
If : Prop -> Prop -> Prop ;
Not : Prop -> Prop ;
All, Exist : [Var] -> Dom -> Prop -> Prop ;
IVar : Var -> Ind ;
VString : String -> Var ;
}