gf-book web page index and toc

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aarne
2011-01-11 15:46:43 +00:00
parent fa54c29616
commit 9c3e74ee4a
110 changed files with 492 additions and 0 deletions

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abstract Logic = {
flags startcat = Stm ;
cat
Stm ; -- top-level statement
Prop ; -- proposition
Atom ; -- atomic formula
Ind ; -- individual term
Dom ; -- domain expression
Var ; -- variable
[Prop] {2} ; -- list of propositions, 2 or more
[Var] {1} ; -- list of variables, 1 or more
fun
SProp : Prop -> Stm ;
And, Or : [Prop] -> Prop ;
If : Prop -> Prop -> Prop ;
Not : Prop -> Prop ;
PAtom : Atom -> Prop ;
All, Exist : [Var] -> Dom -> Prop -> Prop ;
IVar : Var -> Ind ;
VString : String -> Var ;
}