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-rw-r--r-- | ListThm.hs | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/ListThm.hs b/ListThm.hs new file mode 100644 index 0000000..e61aaf9 --- /dev/null +++ b/ListThm.hs @@ -0,0 +1,43 @@ +import System( getArgs ) +import Text.Printf +import Parse +import ProofGraph +import WriteProof +import Semantic +import Stack + +import Data.Maybe +import Data.Graph.Inductive.Graph( Node, LNode, Edge, LEdge ) +import qualified Data.Graph.Inductive.Graph as Graph + + + +fst4 :: (a,b,c,d) -> a +fst4 (a,_,_,_) = a + + + +toThms :: PGraph -> [Node] -> [String] +toThms graph nodeList = + let hyp = (\g n -> let edge = filter (\x -> (fst . thd3 $ x) == 2) (Graph.out g n) + node = snd3 . head $ edge + in write g node) + + con = (\g n -> let edge = filter (\x -> (fst . thd3 $ x) == 1) (Graph.out g n) + node = snd3 . head $ edge + in write g node) + + f = (\x -> (show . fst $ x) ++ ". [" ++ show ((fst4 . fromJust $ (eval (hyp graph (snd x)))) `at` 0) ++ + "] |- " ++ show ((fst4 . fromJust $ (eval (con graph (snd x)))) `at` 0)) + + in map f (zip [1..] nodeList) + + + +main = do + args <- getArgs + list <- getLines $ head args + let graph = doGraphGen (map (stripReturn) list) + initList = filter (\x -> Graph.indeg graph x == 0) (Graph.nodes graph) + theorems = toThms graph initList + output theorems |