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Diffstat (limited to 'old-examples/systemS/Formula.gf')
| -rw-r--r-- | old-examples/systemS/Formula.gf | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/old-examples/systemS/Formula.gf b/old-examples/systemS/Formula.gf new file mode 100644 index 000000000..62bc67eb7 --- /dev/null +++ b/old-examples/systemS/Formula.gf @@ -0,0 +1,20 @@ +-- 20 Dec 2005, 9.45 + +abstract Formula = { + + cat + Formula ; + Term ; + + fun + And, Or, If : (_,_ : Formula) -> Formula ; + Not : Formula -> Formula ; + Abs : Formula ; + +---- All, Exist : (Term -> Formula) -> Formula ; + + -- to test + + A, B, C : Formula ; + +}
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